Einige Fragmente, die die aktive Struktur von Medikamentenmolekülen verändern, können wie mechanische Teile in das Gerüst des Medikamentenmoleküls eingebaut werden, um die Wirkung des Medikaments zu verbessern und Nebenwirkungen zu verringern.
2-Chloro-1-methylpyridinium p-toluenosulfonate
CAS RN
7403-46-5
Appearance
White to almost white crystals
Purity
98% HPLC
4-(TRIFLUOROMETHYL)BENZOIC ANHYDRIDE
CAS RN
25753-16-6
Appearance
Off-white to white crystalline powder
Purity
≥98.0% GC
5,7-Dichloropyrazolo[1,5-a]pyrimidine
CAS RN
57489-77-7
Appearance
Pale yellow to white solid powder
Purity
98% HPLC
7-Amino-heptanoic acid ethyl ester hydrochloride
CAS RN
29840-65-1
Appearance
Purity
Di-tert-butyl N,N-diethylphosphoramidite
CAS RN
117924-33-1
Appearance
Yellow liquid
Purity
98% GC
METHYL 1-BENZYL-4-OXOPYRROLIDINE-3-CARBOXYLATE
CAS RN
329956-53-8
Appearance
Pale yellow viscous liquid
Purity
>95% HNMR
Methyl 1-methylpiperidine-4-carboxylate
CAS RN
1690-75-1
Appearance
Light yellow liquid
Purity
98% GC
CAS RN
101385-93-7
Appearance
White to off white powder
Purity
99% GC
(S)-2-(tert-butoxycarbonyl)pent-4-enoic acid...
CAS RN
221352-64-3
Appearance
White to off white solid
Purity
>97%
4-Hydroxy-6-(trifluoromethyl)pyrimidine
CAS RN
1546-78-7
Appearance
White solid
Purity
>98% HPLC
N-(2-Aminoethyl)maleimid trifluoroacetate salt
CAS RN
146474-00-2
Appearance
Off white solid
Purity
95% HPLC
N-Cbz-piperidine-2-carboxylic acid
CAS RN
84358-13-4
Appearance
White crystalline powder
Purity
98% HPLC
N-Cbz-piperidine-2-carboxylic acid
CAS RN
84358-13-4
Appearance
White crystalline powder
Purity
98% HPLC
O-(2,4-dinitrophenyl)hydroxylamine
CAS RN
33543-55-4
Appearance
White to off white solid
Purity
99% HPLC
N-tert-butoxycarbonyl-2-amino-2-methyl-1-propanol
CAS RN
102520-97-8
Appearance
crystal
Purity
98% GC
CAS RN
2127-03-9
Appearance
Off white to white crystalline powder
Purity
99%HPLC
Glycine methyl ester hydrochloride
CAS RN
5680-79-5
Appearance
White crystalline powder
Purity
98% AT
HTIB [Hydroxy(tosyloxy)iodo]benzene
CAS RN
27126-76-7
Appearance
Off white to yellowish crystalline powder
Purity
99%HPLC
METHYLBENZIMIDATE HYDROCHLORIDE
CAS RN
5873-90-5
Appearance
White solid
Purity
Titration content 101.5%
MPCN 4-Methoxy-2-oxo-1,2-dihydro-pyridine-3-carbonitrile
CAS RN
21642-98-8
Appearance
Pale yellow crystalline powder
Purity
≥99%HPLC
CAS RN
40101-31-3
Appearance
White solid
Purity
≥98% HPLC
N-(4-Pyridyl)pyridinium chloride hydrochloride
CAS RN
5421-92-1
Appearance
Pale yellow solid
Purity
98%HPLC
N-(tert-Butoxycarbonyl)-1,4-phenylenediamine
CAS RN
71026-66-9
Appearance
Beige to brown crystalline powder
Purity
97% HPLC
CAS RN
121492-06-6
Appearance
colorless liquid
Purity
>98% GC, HNMR
N-Isopropylhydroxylamine hydrochloride
CAS RN
50632-53-6
Appearance
White crystalline powder
Purity
97%AT
CAS RN
2398-81-4
Appearance
White to almost white or light yellow powder
Purity
≥98% HPLC
O-(Tetrahydro-2H-pyran-2-yl)hydroxylamine
CAS RN
6723-30-4
Appearance
White solid or colorless liquid
Purity
98%GC
CAS RN
19220-93-0
Appearance
colorless liquid
Purity
98%GC
CAS RN
76-83-5
Appearance
Off white to yellowish crystalline powder
Purity
98% HPLC
CAS RN
3871-20-3
Appearance
Light yellow solid
Purity
≥98% HPLC
CAS RN
31938-11-1
Appearance
White powder
Purity
≥99%(HPLC)
(4-Carboxybutyl)triphenylphosphonium bromide
CAS RN
17814-85-6
Appearance
White to off white solid
Purity
98% HPLC
(R)-1-carboxybut-3-en-1-aminium chloride
CAS RN
108412-04-0
Appearance
White crystalline powder
Purity
(S)-4-(1-Aminoethyl)benzoic acid
CAS RN
222714-33-2
Appearance
Purity
>97.0%(HPLC)
1-(Diphenylmethyl)-3-hydroxyazetidine
CAS RN
18621-17-5
Appearance
White solid
Purity
>98% HPLC
1-Aminopyrrolidine-2,5-dione,hydrochloride
CAS RN
108906-15-6
Appearance
White to off white powder
Purity
>98.0%(T)
1-Chloroethyl (4-nitrophenyl) carbonate
CAS RN
101623-69-2
Appearance
Off white powder
Purity
99% HPLC
1-N-ethoxycarbonyl-3-pyrrolidone
CAS RN
14891-10-2
Appearance
Pale yellow to colorless transparent liquid
Purity
≥98%
1H-1,2,4-triazole-1-carboxamidine monohydrochloride
CAS RN
19503-26-5
Appearance
White powder
Purity
98% HPLC
CAS RN
82321-04-8
Appearance
Yellow powder
Purity
98,10%
2-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)ethanesulfonic acid...
CAS RN
81428-07-1
Appearance
White solid powder
Purity
>98% HPLC
2-(bis(2-hydroxyethyl)amino)acetic acid
CAS RN
150-25-4
Appearance
Off white solid
Purity
2-Bromo-1,3,5-triisopropylbenzene
CAS RN
21524-34-5
Appearance
Colorless to yellowish liquid
Purity
97% GC
2-Ethoxybenzamidine hydrochloride
CAS RN
18637-00-8
Appearance
White to off white powder
Purity
98% HPLC
2-Methylpropylhydrazine hydrochloride
CAS RN
237064-47-0
Appearance
White solid
Purity
98%-103% T
2-Thiazolecarboxamidine Hydrochloride
CAS RN
247037-82-7
Appearance
Off white to white solid powder
Purity
>99% HPLC
CAS RN
13020-57-0
Appearance
Pale yellow to white solid powder
Purity
98% HPLC
4-Nitrobenzamidine, hydrochloride
CAS RN
15723-90-7
Appearance
Pale yellow crystalline powder
Purity
98%HPLC
DCAD Bis(4-chlorobenzyl) azodicarboxylate
CAS RN
916320-82-6
Appearance
Orange solid
Purity
≥98.0%HPLC
CAS RN
85916-13-8
Appearance
Off white to white solid
Purity
97% GC
Diphenylmethylene-Glycine benzyl ester
CAS RN
81477-91-0
Appearance
White powder
Purity
99% HPLC
Ethyl 1-Boc-piperidine-3-carboxylate
CAS RN
130250-54-3
Appearance
Light yellow liquid
Purity
98% GC
CAS RN
89-91-8
Appearance
Colorless Transparent Liquid
Purity
98% GC
CAS RN
1631-26-1
Appearance
Off white to white crystalline powder
Purity
98%HPLC
Pyridine-2,6-dicarboximidamide Dihydrochloride
CAS RN
1394382-56-9
Appearance
White to off-white powder
Purity
98~102% T
CAS RN
16066-84-5
Appearance
Transparent liquid or white crystal
Purity
>98.0%(GC)
Tert-Butyl N-(tert-butoxycarbonyloxy)carbamate
CAS RN
85006-25-3
Appearance
White powder
Purity
98%GC
Triphenyl(2-pyridylmethyl)phosphonium chloride hydrochloride
CAS RN
99662-46-1
Appearance
Off-white to white powder
Purity
Titration: 102.3%
[2-(4-maleimidophenyl)]acetic acid
CAS RN
91574-45-7
Appearance
Yellow solid
Purity
98% HPLC
(2,4-Dichlorobenzyl)methylamine
CAS RN
5013-77-4
Appearance
White solid
Purity
>97% T
1,1,1-Trimethoxy-2-chloroethane
CAS RN
74974-54-2
Appearance
Pale yellow to colorless transparent liquid
Purity
98.8%(GC)
1,4-Benzodioxane-2-carboxylic acid
CAS RN
3663-80-7
Appearance
White to off-white powder
Purity
≥98% GC
1-(cyanoMethyl)pyrrolidinium trifluoroMethanesulfonate
CAS RN
573987-48-1
Appearance
White to off-white powder
Purity
≥98%
2-(1,3-Dioxoisoindolin-2-yl)ethanesulfonic acid
CAS RN
4443-24-7
Appearance
White crystalline powder
Purity
>98% HPLC
2-Bromobenzamidine hydrochloride
CAS RN
57075-82-8
Appearance
White powder
Purity
≥98%HPLC
CAS RN
6581-66-4
Appearance
Colorless Transparent Liquid
Purity
99% GC
CAS RN
618-49-5
Appearance
Off white powder
Purity
99.7% HPLC
4-Acetamidobenzenesulfonyl azide
CAS RN
2158-14-7
Appearance
White or off white crystal
Purity
≥98%
CAS RN
15115-60-3
Appearance
White to off white solid
Purity
≥ 98%HPLC
CAS RN
491-36-1
Appearance
Off white to white solid powder
Purity
>98% HPLC
CAS RN
60233-66-1
Appearance
Off white to white solid powder
Purity
>98% HPLC
CAS RN
75844-40-5
Appearance
Off white to white solid powder
Purity
>98% HPLC
CAS RN
404586-94-3
Appearance
White solid
Purity
Nuclear magnetic resonance qualified
CAS RN
30379-58-9
Appearance
Colorless Transparent Liquid
Purity
HPLC>96%,GC>97%
CAS RN
2424-92-2
Appearance
White to off-white powder
Purity
≥99% HPLC
CAS RN
3332-29-4
Appearance
White or yellowish crystals
Purity
98%-103(AT)
Ethyl 2,5-dioxo-2H-pyrrole-1(5H)-carboxylate
CAS RN
55750-49-7
Appearance
Off white to yellowish solid powder
Purity
98%HPLC
CAS RN
6065-82-3
Appearance
Pale yellow to colorless liquid
Purity
>98% GC,HNMR
Ethyl-2-(bis(2-oxooxazolidin-3-yl)phosphoryloxyimino)-2-cyan...
CAS RN
117683-30-4
Appearance
White solid
Purity
Conform to the nuclear magnetic spectrum
CAS RN
169287-69-8
Appearance
Off white solid
Purity
98% H-NMR
CAS RN
185456-26-2
Appearance
White to off white solid
Purity
methyl 2-aminopent-4-enoate hydrogen chloride
CAS RN
115289-55-9
Appearance
Yellow viscous liquid
Purity
>97%
Methyl 4-[(1S)-1-aminoethyl]benzoate
CAS RN
222714-37-6
Appearance
Purity
97% HPLC
Methyl 6-HydroxypyriMidine-4-carboxylate
CAS RN
7399-93-1
Appearance
Off white to white solid powder
Purity
>98% HPLC
N,O-Dimethylhydroxylamine hydrochloride
CAS RN
6638-79-5
Appearance
White to yellowish crystalline powder
Purity
98%-103%(T)
N-(2-Aminoethyl)methacrylamide Hydrochloride
CAS RN
76259-32-0
Appearance
White to off-white powder
Purity
98-102%(T)
CAS RN
5637-42-3
Appearance
Quasi white crystal
Purity
98%HPLC
N-(tert-butoxycarbonyl)-1,3-phenylenediamine
CAS RN
68621-88-5
Appearance
Beige crystalline powder
Purity
98% GC
CAS RN
7689-50-1
Appearance
White crystalline powder
Purity
98%HPLC
CAS RN
75178-96-0
Appearance
White solid or colorless liquid
Purity
97% GC
CAS RN
170384-29-9
Appearance
Off-white to white crystalline powder
Purity
≥98.0% GC
CAS RN
7583-53-1
Appearance
Colorless transparent to yellow liquid
Purity
98% GC
N-Tert-butyl-5-methylisoxazolium perchlorate
CAS RN
10513-45-8
Appearance
Purity
O-Benzoyl-N-tert-butylhydroxylamine hydrochloride
CAS RN
66809-86-7
Appearance
Purity
98% HPLC
O-ButylhydroxylaMine Hydrochloride
CAS RN
4490-82-8
Appearance
White crystalline powder
Purity
98 %-103%(AT)
CAS RN
5329-33-9
Appearance
Off-white to white powder
Purity
≥98.0%
P-nitrophenylhydrazine hydrochloride
CAS RN
636-99-7
Appearance
Light brown powdery solid
Purity
>98%(HPLC, HNMR)
CAS RN
39546-32-2
Appearance
White or almost white crystalline powder
Purity
98% HPLC
Sulfo-N-succinimidyl 4-maleimidobutyrate sodium salt
CAS RN
185332-92-7
Appearance
White to off-white powder
Purity
>95% H-NMR
CAS RN
50595-15-8
Appearance
Colorless Transparent Liquid
Purity
97%GC
CAS RN
1703794-73-3
Appearance
Off white to white solid powder
Purity
>97% T
Tert-Butyl 4-hydroxyphenethylcarbamate
CAS RN
64318-28-1
Appearance
White crystalline powder
Purity
97% GC
Tert-butyl n,n-bis(2-hydroxyethyl)carbamate
CAS RN
103898-11-9
Appearance
Pale yellow transparent liquid
Purity
97% HNMR
Triethyl 1,1,2-ethanetricarboxylate
CAS RN
7459-46-3
Appearance
Off white to white solid powder
Purity
>98% HPLC
Triethyl methanetricarboxylate
CAS RN
6279-86-3
Appearance
colorless liquid
Purity
GC>98%
CAS RN
26351-19-9
Appearance
Off white to white powder
Purity
≥98%HPLC
(4-Chloro-7H-pyrrolo[2,3-d]pyrimidin-7-yl)methyl pivalate
CAS RN
1146629-75-5
Appearance
Off white to white solid powder
Purity
98% HPLC
(9H-Fluoren-9-yl)methyl (2-(azidosulfonyl)ethyl)carbamate...
CAS RN
849949-18-4
Appearance
White to off-white solid
Purity
≥98% HPLC
(R)-4-(1-Aminoethyl)benzoic acid
CAS RN
1108683-66-4
Appearance
Purity
>97.0%(HPLC)
(R)-4-bebzyloxymethyl-2,2-dimethyl-1,3-dioxolane
CAS RN
14347-83-2
Appearance
Pale yellow to colorless liquid
Purity
98% HPLC
CAS RN
228244-04-0
Appearance
White to off white solid
Purity
98% HPLC
1,2,3-Tris(tert-butoxycarbonyl)guanidine
CAS RN
216584-22-4
Appearance
Off white to yellowish solid powder
Purity
97% HPLC
1,3-Di-boc-2-(trifluoromethylsulfonyl)guanidine
CAS RN
207857-15-6
Appearance
White powder
Purity
>95% HPLC
1-(4-(methylamino)phenyl)ethanone
CAS RN
17687-47-7
Appearance
Pale yellow powder
Purity
97% HPLC
CAS RN
775-15-5
Appearance
Pale yellow to colorless transparent liquid
Purity
98.0%(HPLC)
1-Boc-3-hydroxymethylpyrrolidine
CAS RN
114214-69-6
Appearance
Pale yellow to colorless transparent liquid
Purity
98.0%(GC)
CAS RN
103057-44-9
Appearance
White powder
Purity
97% GC
1-Boc-4-(2-chloroethyl)piperazine
CAS RN
208167-83-3
Appearance
White crystalline solid
Purity
>98% GC, HNMR
CAS RN
123855-51-6
Appearance
White powder
Purity
98% GC
11-Maleimidoundecanoic Acid Sulfo-N-Succinimidyl Ester
CAS RN
211236-68-9
Appearance
White to off white solid
Purity
>95% H-NMR
2,2-dimethyl-N-(4-oxo-1,7-dihydropyrrolo[2,3-d]pyrimidin-2-y...
CAS RN
137281-08-4
Appearance
Yellowish brown solid powder
Purity
>95.0%(HPLC)
CAS RN
961-38-6
Appearance
White solid powder
Purity
98%HPLC
2,4,6-trimethylbenzenesulfonyl hydrazide
CAS RN
16182-15-3
Appearance
White off white crystalline powder
Purity
97%AT
2-amino-N-benzylacetamide hydrochloride
CAS RN
20432-97-7
Appearance
White crystalline powder
Purity
98-103% T
2-Azido-1,3-dimethylimidazolinium Hexafluorophosphate
CAS RN
1266134-54-6
Appearance
White crystalline powder
Purity
98% HPLC
2-Bromo-5-fluoropyridine 1-oxide
CAS RN
935534-39-7
Appearance
Light yellow to almost white solid
Purity
≥98.0%
2-Fluoro-6-(trifluoromethyl)benzoic Anhydride
CAS RN
2118332-08-2
Appearance
Purity
CAS RN
773-64-8
Appearance
White crystalline powder
Purity
98% HPLC
CAS RN
20773-98-2
Appearance
Pale yellow solid
Purity
>98%
CAS RN
931-19-1
Appearance
White to brown solid or colorless to brown liquid
Purity
≥97% HPLC
CAS RN
19889-77-1
Appearance
White solid
Purity
>97% HNMR
2-[2-(2-AZIDOETHOXY)ETHOXY]ETHANOL
CAS RN
86520-52-7
Appearance
Colorless to light yellow transparent liquid
Purity
≥98% GC
3,8,11-Trioxa-5-azatridecan-13-oic acid
CAS RN
108466-89-3
Appearance
Off white to white solid powder
Purity
98% HPLC
3-Chlor-Benzamidine hydrochloride
CAS RN
24095-60-1
Appearance
White crystalline powder
Purity
98% HPLC
3-Fluorobenzamidine hydrochloride
CAS RN
75207-72-6
Appearance
White powder
Purity
98% HPLC
CAS RN
89102-73-8
Appearance
Pale yellow to colorless transparent liquid
Purity
97% HPLC
CAS RN
84200-09-9
Appearance
Yellow liquid
Purity
95.0%(HNMR)
CAS RN
1594-57-6
Appearance
White crystalline powder
Purity
≥99%HPLC
6,7-Dimethoxy-3,4-dihydroquinazoline-4-one
CAS RN
13794-72-4
Appearance
Off white to white solid powder
Purity
>98% HPLC
CAS RN
87-42-3
Appearance
Off white to white solid powder
Purity
>98% HPLC
6-Chloropyrimidine-2,4-diamine
CAS RN
156-83-2
Appearance
Off white solid powder
Purity
98%
CAS RN
17696-11-6
Appearance
Pale yellow to off white solid or transparent liquid
Purity
>97.0%(GC)
Biotinamidohexanoyl-6-aminohexanoic acid...
CAS RN
89889-52-1
Appearance
White solid
Purity
>95%
Boc-1,3-diaminopropane hydrochloride
CAS RN
127346-48-9
Appearance
White crystalline powder
Purity
98 %-103%(AT)
CAS RN
144564-95-4
Appearance
White to off white powder
Purity
98% HPLC
D-2-amino-3-(pyridin-3-yl)propanoic acid dihydrochloride
CAS RN
93960-21-5
Appearance
Colorless to yellowish powder
Purity
>99.0% HPLC
Ethyl (hydroxyimino)cyanoacetate potassium salt
CAS RN
158014-03-0
Appearance
Yellow powdery solid
Purity
98.6% HPLC
Ethyl N-Boc-piperidine-4-carboxylate
CAS RN
142851-03-4
Appearance
Light yellow liquid
Purity
97% GC
Methyl 1-Boc-piperidine-4-carboxylate
CAS RN
124443-68-1
Appearance
Light yellow liquid
Purity
98% GC
CAS RN
14273-92-8
Appearance
Colorless Transparent Liquid
Purity
97.4% GC
N-(Diphenylmethylene)glycerine tert-butyl ester
CAS RN
81477-94-3
Appearance
White to almost white crystalline powder
Purity
98% HPLC
N-(TERT-BUTYL)-2-CHLOROACETAMIDE
CAS RN
15678-99-6
Appearance
White to almost white crystalline powder
Purity
≥98% HPLC
CAS RN
98968-72-0
Appearance
White to yellowish powder
Purity
98% GC
N-Boc-Bn Tert-butyl n-(benzyloxy)carbamate
CAS RN
79722-21-7
Appearance
White to off white solid
Purity
98%HPLC
N-Boc-N-methoxy-3-aminopropionic acid
CAS RN
172299-81-9
Appearance
Colorless Transparent Liquid
Purity
98% HNMR
N-methoxy-N-methyl-2-[(2-methylpropan-2-yl)oxy]acetamide
CAS RN
1268252-59-0
Appearance
Pale yellow to colorless transparent liquid
Purity
98% GC
Phenolphthalein monophosphate dicyclohexylammonium salt
CAS RN
14815-59-9
Appearance
Purity
≥95%
CAS RN
85-48-3
Appearance
Pale yellow solid
Purity
99%HPLC
Terephthalimidamidedihydrochloride
CAS RN
14401-56-0
Appearance
Off white to white solid powder
Purity
>98% HPLC
β-Alanine,N-[(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)acetyl]-b...
CAS RN
1954756-80-9
Appearance
Off-white to white solid
Purity
>98% HPLC
CAS RN
617-37-8
Appearance
colorless liquid
Purity
>95.0% H-NMR
1,13-DIAMINO-4,7,10-TRIOXATRIDECANE
CAS RN
4246-51-9
Appearance
Pale yellow to colorless transparent liquid
Purity
97% GC
1-(2,3-Dihydro-1,4-benzodioxin-2-ylcarbonyl)piperazine...
CAS RN
70918-74-0
Appearance
White to almost white solid
Purity
≥97.0%
CAS RN
7154-73-6
Appearance
Transparent colorless liquid
Purity
>97% T
1-(Cyanomethyl)piperidinium TetrafluoroborateTetramethyl...
CAS RN
434937-12-9
Appearance
Purity
2-(2-aminoethyl)isoindoline-1,3-dione hydrochloride
CAS RN
30250-67-0
Appearance
White to off white solid
Purity
>99%
CAS RN
61439-59-6
Appearance
White solid
Purity
>97% T
2-(carbamoylmethylamino)ethanesulfonic acid
CAS RN
7365-82-4
Appearance
White to off white powder
Purity
>97.0%
2-(Dimethylamino)ethanol hydrochloride (1:1)
CAS RN
2498-25-1
Appearance
Off white solid particles
Purity
98% T
2-acetamido-3-(4-bromophenyl)propanoic acid
CAS RN
273730-59-9
Appearance
White solid
Purity
99% HPLC
2-Bromo-1H-isoindole-1,3(2H)-dione
CAS RN
5332-26-3
Appearance
Off white to white solid
Purity
98% HPLC
2-bromobenzimidamide hydrochloride
CAS RN
57075-82-8
Appearance
Off white to white solid powder
Purity
>97% HPLC
2-Hydroxypyrimidine hydrochloride
CAS RN
38353-09-2
Appearance
Pale yellow powder
Purity
>98%(HPLC)
2-Methoxyphenylhydrazine hydrochloride
CAS RN
57396-67-5
Appearance
Off white to pink powder
Purity
≥98.0% HPLC
2-Phthalimidoethane sulfonamide
CAS RN
4443-23-6
Appearance
Off white to white powder
Purity
97% HPLC
2-tert-butyl-1,1,3,3-tetramethyl-guanidine
CAS RN
29166-72-1
Appearance
Pale yellow to colorless transparent liquid
Purity
97%GC
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