Some fragments that change the active structure of drug molecules, like mechanical parts, can be installed on the drug molecule skeleton to improve the drug activity and reduce side effects.
(S)-2-(tert-butoxycarbonyl)pent-4-enoic acid...
CAS RN
221352-64-3
Appearance
White to off white solid
Purity
>97%
CAS RN
598-42-5
Appearance
White to off-white or pale yellow powder
Purity
4-(TRIFLUOROMETHYL)BENZOIC ANHYDRIDE
CAS RN
25753-16-6
Appearance
Off-white to white crystalline powder
Purity
≥98.0% GC
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-Benzyl-N-(methoxymethyl)trimethylsilylmethylamine
CAS RN
93102-05-7
Appearance
Colorless to yellow liquid
Purity
≥80.0%
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
2-Chloro-1-methylpyridinium p-toluenosulfonate
CAS RN
7403-46-5
Appearance
White to almost white crystals
Purity
98% HPLC
5,7-Dichloropyrazolo[1,5-a]pyrimidine
CAS RN
57489-77-7
Appearance
Pale yellow to white solid powder
Purity
98% HPLC
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
O-(2,4-dinitrophenyl)hydroxylamine
CAS RN
33543-55-4
Appearance
White to off white solid
Purity
99% HPLC
CAS RN
3871-20-3
Appearance
Light yellow solid
Purity
≥98% HPLC
3-Phenyl-1H-pyrazole-4-carbaldehyde
CAS RN
26033-20-5
Appearance
White to yellow powder
Purity
98% HPLC
DL-2-amino-3-phenylpropan-1-ol
CAS RN
16088-07-6
Appearance
White solid powder
Purity
99.6% HPLC
CAS RN
24566-79-8
Appearance
White to off white solid
Purity
≥98% GC
(5-Carboxypentyl)(triphenyl)phosphoniumbromide
CAS RN
50889-29-7
Appearance
White crystalline powder
Purity
>98% HPLC
Ethyl 2,5-dioxo-2H-pyrrole-1(5H)-carboxylate
CAS RN
55750-49-7
Appearance
Off white to yellowish solid powder
Purity
98%HPLC
2,4,6-Triphenylpyrylium tetrafluoroborate
CAS RN
448-61-3
Appearance
Yellow powder
Purity
98% HPLC
4 chloro7H pyrrolo 2 3 d pyrimidine
CAS RN
3680-69-1
Appearance
Light brown to brown crystalline powder
Purity
>97% T
Methyl piperidine-3-carboxylate
CAS RN
50585-89-2
Appearance
Pale yellow liquid
Purity
98% GC
1,2,3-Tris(tert-butoxycarbonyl)guanidine
CAS RN
216584-22-4
Appearance
Off white to yellowish solid powder
Purity
97% HPLC
CAS RN
889676-37-3
Appearance
Off white to white powder
Purity
≥99.0%HPLC
CAS RN
41239-10-5
Appearance
Colorless to light yellow liquid
Purity
≥97.0%
CAS RN
34570-17-7
Appearance
White crystal
Purity
98% HPLC
N-(Tert-butyl)hydroxylamine hydrochloride
CAS RN
57497-39-9
Appearance
White to almost white crystalline powder
Purity
98%AT
N-Succinimidyl 6-(3-Maleimidopropionamido) Hexanoate(SMPH...
CAS RN
367927-39-7
Appearance
Off white to white solid
Purity
>97%
1-(Cyclohexylcarbonyl)piperazine
CAS RN
27561-62-2
Appearance
White powder
Purity
≥97%GC
2N Di-tert butyl dicarbonate in tetrahydrofuran
CAS RN
24424-99-5
Appearance
Colorless Transparent Liquid
Purity
2mol/L
CAS RN
28170-07-2
Appearance
Colorless to yellowish liquid
Purity
95%GC
METHYL 2,2,2-TRICHLOROACETIMIDATE
CAS RN
2533-69-9
Appearance
Colorless Transparent Liquid
Purity
97%(GC)
N-Boc-Bn Tert-butyl n-(benzyloxy)carbamate
CAS RN
79722-21-7
Appearance
White to off white solid
Purity
98%HPLC
CAS RN
20845-34-5
Appearance
Light yellow liquid
Purity
97% GC
Suberate Bis(sulfosuccinimidyl) Sodium Salt
CAS RN
127634-19-9
Appearance
White solid
Purity
HNMR>90%
1-(benzyloxy)-4-[2-(cyclopropylmethoxy)ethyl]benzene
CAS RN
63659-15-4
Appearance
Purity
>97% T
4-Guanidinobenzoic acid hydrochloride
CAS RN
42823-46-1
Appearance
White crystalline powder
Purity
≥98% HPLC
N-(Benzyloxycarbonyl)-2-aminoacetonitrile
CAS RN
3589-41-1
Appearance
Pale yellow to white solid powder
Purity
98% HPLC
CAS RN
7583-53-1
Appearance
Colorless transparent to yellow liquid
Purity
98% GC
(S)-2,6-Bis-tert-butoxy carbonylamino-hexanoic acid
CAS RN
2483-46-7
Appearance
White solid powder
Purity
98%
2-(bis(2-hydroxyethyl)amino)acetic acid
CAS RN
150-25-4
Appearance
Off white solid
Purity
CAS RN
1594-57-6
Appearance
White crystalline powder
Purity
≥99%HPLC
CAS RN
146651-71-0
Appearance
Off white to white solid powder
Purity
>97% HPLC
2-Fluoro-1-methylpyridinium p-toluenesulphonate
CAS RN
58086-67-2
Appearance
White to almost white crystalline powder
Purity
98% HPLC
3-aminopyridin-1-ium-1-olate hydrochloride
CAS RN
65600-69-3
Appearance
Pale yellow solid powder
Purity
99.4% HPLC
CAS RN
53386-64-4
Appearance
Pale yellow to colorless transparent liquid
Purity
98% GC
1-Boc-3-cyano-4-oxopyrrolidine
CAS RN
175463-32-8
Appearance
Off-white to white powder
Purity
≥98.0% HPLC
4,7-Methano-1H-isoindole-1,3(2H)-dione
CAS RN
245092-43-7
Appearance
White powder
Purity
99.0% HPLC
6-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)hexanehydrazide...
CAS RN
175290-73-0
Appearance
White powder
Purity
98% HPLC
Glycine,N-(2-aminoethyl)-,ethyl ester chloride
CAS RN
24123-13-5
Appearance
Off white to white solid powder
Purity
>98% T
CAS RN
89180-61-0
Appearance
Pale yellow to colorless transparent liquid
Purity
97% HPLC
tert-Butyl (2-(benzylamino)ethyl)carbamate
CAS RN
174799-52-1
Appearance
Colorless or light yellow liquid
Purity
>98% HPLC
[Bis(trifluoroacetoxy)iodo]benzene
CAS RN
2712-78-9
Appearance
White crystalline powder
Purity
98%HPLC
(S)-4-Amino-5-(tert-butoxy)-5-oxopentanoic acid
CAS RN
45120-30-7
Appearance
Off white to white solid powder
Purity
98% HPLC
1-Ethyl-1-methylpyrrolidinium bromide
CAS RN
69227-51-6
Appearance
Pale yellow solid powder
Purity
>97.0%(T)
CAS RN
697-73-4
Appearance
Pale yellow to colorless liquid or solid
Purity
99%
5-Hydroxypentanoic Acid SodiuM Salt
CAS RN
37435-69-1
Appearance
White solid
Purity
>97% HNMR
N-(4-Cyanophenyl)guanidine hydrochloride
CAS RN
373690-68-7
Appearance
White crystal
Purity
98%HPLC
N-(4-Pyridyl)pyridinium chloride hydrochloride
CAS RN
5421-92-1
Appearance
Pale yellow solid
Purity
98%HPLC
1-[3,5-bis(2-bromoacetyl)-1,3,5-triazinan-1-yl]-2-bromoethan...
CAS RN
92531-02-7
Appearance
White to off-white powder
Purity
≥97.0%
2-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)ethanesulfonic acid...
CAS RN
81428-07-1
Appearance
White solid powder
Purity
>98% HPLC
CAS RN
24807-55-4
Appearance
White to yellowish crystalline powder
Purity
98% HPLC
4-Amino-5-pyrimidinecarbonitrile
CAS RN
16357-69-0
Appearance
Off white to white solid powder
Purity
>97% HPLC
CAS RN
2398-81-4
Appearance
White to almost white or light yellow powder
Purity
≥98% HPLC
CAS RN
871-70-5
Appearance
White to off-white powder
Purity
≥98% HPLC
CAS RN
24057-28-1
Appearance
White crystal
Purity
98%HPLC
tert-Butyl (Mesitylsulfonyl) oxycarbaMate
CAS RN
36016-39-4
Appearance
White to off-white powder
Purity
≥98.0%
Cyclopropane-1-carboximidamide hydrochloride
CAS RN
57297-29-7
Appearance
White powder
Purity
97%AT
FMPN N,N-Bis(2-Cyanoethyl)Formamide
CAS RN
3445-84-9
Appearance
Pale yellow to colorless transparent liquid
Purity
90%HNMR
CAS RN
328086-60-8
Appearance
Off white to white solid powder
Purity
>98.5% HPLC
Methyl Pentafluorophenyl Carbonate
CAS RN
36919-03-6
Appearance
White crystalline solid or colorless liquid
Purity
98%HPLC
N-Benzyloxycarbonyl-1,2-diaminoethane hydrochloride
CAS RN
18807-71-1
Appearance
White powder
Purity
>98% HPLC
CAS RN
51354-15-5
Appearance
Colorless Transparent Liquid
Purity
>98.0% GC
N-[(Trimethylsilyl)methyl]benzylamine
CAS RN
53215-95-5
Appearance
colorless or light yellow liquid
Purity
≥98.0%
(S)-2-amino-3-((S)-2-oxopyrrolidin-3-yl)propanamide...
CAS RN
2628280-48-6
Appearance
Off white to white solid powder
Purity
>98.5% HPLC
3-Chlor-Benzamidine hydrochloride
CAS RN
24095-60-1
Appearance
White crystalline powder
Purity
98% HPLC
CAS RN
16375-88-5
Appearance
Off white solid
Purity
99% HPLC
CAS RN
21871-47-6
Appearance
White to off-white powder
Purity
≥98% HPLC
CAS RN
30379-58-9
Appearance
Colorless Transparent Liquid
Purity
HPLC>96%,GC>97%
Di-tert-Butyl azodicarboxylate
CAS RN
870-50-8
Appearance
Yellow crystalline powder
Purity
98%GC
CAS RN
85916-13-8
Appearance
Off white to white solid
Purity
97% GC
DMEAD, Bis(2-methoxyethyl) diazene-1,2-dicarboxylate
CAS RN
940868-64-4
Appearance
Yellow Powder
Purity
≥98% HPLC
CAS RN
2424-92-2
Appearance
White to off-white powder
Purity
≥99% HPLC
CAS RN
954-81-4
Appearance
White to off white solid
Purity
≥98% GC
CAS RN
78191-00-1
Appearance
Colorless Transparent Liquid
Purity
98% 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%
1-methyl-piperidine-2-carboxylicacidmethylester
CAS RN
1690-74-0
Appearance
Light yellow liquid
Purity
98% GC
2-Aminothiazole-4-carboxylic Acid Ethyl Ester
CAS RN
5398-36-7
Appearance
Pale yellow to off white powder
Purity
98%HPLC
2-Chloro-N-methoxy-N-methylacetamide
CAS RN
67442-07-3
Appearance
White crystal powder to almost white crystal powder
Purity
>98% GC
methyl 2-aminopent-4-enoate hydrogen chloride
CAS RN
115289-55-9
Appearance
Yellow viscous liquid
Purity
>97%
CAS RN
7450-69-3
Appearance
Off white to white powder
Purity
≥98.0%
CAS RN
39546-32-2
Appearance
White or almost white crystalline powder
Purity
98% HPLC
(S)-2,3-EPOXY-1-PROPYL TRIPHENYLMETHYL ETHER
CAS RN
129940-50-7
Appearance
Off white to yellowish solid powder
Purity
98% HPLC
2-(2-aminoethyl)isoindoline-1,3-dione hydrochloride
CAS RN
30250-67-0
Appearance
White to off white solid
Purity
>99%
2-Chloroethylamine hydrochloride
CAS RN
870-24-6
Appearance
Off white to white crystals
Purity
98%-101%
2-Methyl-1-(4-methylphenyl)sulfonylimidazole
CAS RN
86181-71-7
Appearance
White crystalline powder
Purity
98%HPLC
3-Hydroxypyrrolidine hydrochloride
CAS RN
86070-82-8
Appearance
Off white solid
Purity
≥97%
7-Bromo-3,4-dihydroquinazolin-4-one
CAS RN
194851-16-6
Appearance
Off white to white solid powder
Purity
>98% HPLC
Cyclohexylmethyl N-tosyloxycarbamate
CAS RN
869111-41-1
Appearance
White to off white solid
Purity
≥ 95%GC
FMMB 2-Fluoro-N-methoxy-N-methylbenzamide
CAS RN
198967-24-7
Appearance
Colorless Transparent Liquid
Purity
≥98%GC
CAS RN
2615-15-8
Appearance
Pale yellow to colorless transparent liquid
Purity
≥99%
CAS RN
3378-72-1
Appearance
Colorless to pale yellow or orange transparent liquid
Purity
≥98.0%
N-[Tris(hydroxymethyl)methyl]acrylamide
CAS RN
13880-05-2
Appearance
White crystal
Purity
>98% HPLC
CAS RN
156-41-2
Appearance
Transparent almost colorless liquid
Purity
>97% T
Pyridine-2,6-dicarboximidamide Dihydrochloride
CAS RN
1394382-56-9
Appearance
White to off-white powder
Purity
98~102% T
4-Methylbenzene-1-carboximidamide hydrochloride
CAS RN
6326-27-8
Appearance
White powder
Purity
98% HPLC
CAS RN
60233-66-1
Appearance
Off white to white solid powder
Purity
>98% HPLC
6,7-Bis-(2-methoxyethoxy)-4(3H)-quinazolinone
CAS RN
179688-29-0
Appearance
Off white to white solid powder
Purity
>99% HPLC
Ethyl 1-Boc-piperidine-2-carboxylate
CAS RN
362703-48-8
Appearance
Light yellow to yellow viscous liquid
Purity
98% GC
Ethyl 1-methyl-3-piperidinecarboxylate
CAS RN
5166-67-6
Appearance
Light yellow liquid
Purity
96% HPLC
N-(tert-butoxycarbonyl)-1,3-phenylenediamine
CAS RN
68621-88-5
Appearance
Beige crystalline powder
Purity
98% GC
N-Boc-1h-pyrazole-1-carboxamidine
CAS RN
152120-61-1
Appearance
White crystal
Purity
98% HPLC
CAS RN
121492-06-6
Appearance
colorless liquid
Purity
>98% GC, HNMR
O-ButylhydroxylaMine Hydrochloride
CAS RN
4490-82-8
Appearance
White crystalline powder
Purity
98 %-103%(AT)
Tert-Butyl 4-hydroxyphenethylcarbamate
CAS RN
64318-28-1
Appearance
White crystalline powder
Purity
97% GC
CAS RN
945381-56-6
Appearance
Off white to grey solid
Purity
98.5% 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
4-Acetamidobenzenesulfonyl azide
CAS RN
2158-14-7
Appearance
White or off white crystal
Purity
≥98%
5,8,11-Trioxa-2-azatridecanoicacid, 13-amino-,...
CAS RN
101187-40-0
Appearance
Colorless Transparent Liquid
Purity
97% HNMR
amino-hydroxyimino-acetic acid ethyl ester
CAS RN
1217428-98-2
Appearance
White solid
Purity
>98%
Benzamidine hydrochloride hydrate
CAS RN
206752-36-5
Appearance
White crystalline powder
Purity
98%HPLC
Biotinamidohexanoyl-6-aminohexanoic acid...
CAS RN
89889-52-1
Appearance
White solid
Purity
>95%
Boc-NH-PEG3;Boc-1-amino-3,6-dioxa-8-octanediamine...
CAS RN
153086-78-3
Appearance
Colorless transparent liquid
Purity
≥98.0%
CAS RN
30364-60-4
Appearance
White solid
Purity
Nuclear magnetic coincidence
N-(Diphenylmethylene)-glycine 1-methylethyl ester
CAS RN
119244-11-0
Appearance
White to off-white powder
Purity
≥99.0%
TERT-BUTYL 2,4-DIOXOPIPERIDINE-1-CARBOXYLATE
CAS RN
845267-78-9
Appearance
White to light yellow crystalline powder
Purity
≥98%
(4-Fluorobenzyl)triphenylphosphonium chloride
CAS RN
3462-95-1
Appearance
White crystalline powder
Purity
99% HPLC
2-Hydroxypyrimidine hydrochloride
CAS RN
38353-09-2
Appearance
Pale yellow powder
Purity
>98%(HPLC)
4-Amidinobenzamide hydrochloride
CAS RN
59855-11-7
Appearance
White solid powder
Purity
98% HPLC
benzamidine hydrochloride dihydrate
CAS RN
74222-83-6
Appearance
White crystal
Purity
98% HPLC
Ethyl acetohydroxamate 50% in THF
CAS RN
10576-12-2
Appearance
Pale yellow to colorless transparent liquid
Purity
49%-51%
Methyl 6-HydroxypyriMidine-4-carboxylate
CAS RN
7399-93-1
Appearance
Off white to white solid powder
Purity
>98% HPLC
tert-Butyl4-oxo-4,5,6,8-tetrahydropyrido[3,4-d]pyrimidine-7(...
CAS RN
1142188-60-0
Appearance
Off white to white solid powder
Purity
>97% HPLC
(2S)-2-(Methoxycarbonyl)pyrrolidin-1-ium chloride
CAS RN
2133-40-6
Appearance
White to off white microcrystalline powder
Purity
≥98%
2-Amidinopyrimidine hydrochloride
CAS RN
138588-40-6
Appearance
Yellow green solid
Purity
98%HPLC
CAS RN
773-64-8
Appearance
White crystalline powder
Purity
98% HPLC
2-Methylpropylhydrazine hydrochloride
CAS RN
237064-47-0
Appearance
White solid
Purity
98%-103% T
3-Methoxybenzamidine hydrochloride
CAS RN
26113-44-0
Appearance
White crystalline powder
Purity
≥98.0 %
CAS RN
2148-57-4
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%
BENZOHYDROXAMIC ACID SODIUM SALT
CAS RN
22513-32-2
Appearance
White powder
Purity
>98% HPLC
Mesitylenesulfonic acid dihydrate
CAS RN
835617-36-2
Appearance
White crystalline powder
Purity
98% HPLC
N-Boc-PTE Methyl n-boc-2-(dimethylphosphono)glycinate
CAS RN
89524-98-1
Appearance
White powder
Purity
97% HPLC
O-Acetyl-N-tert-butylhydroxylamine Hydrochloride
CAS RN
851074-40-3
Appearance
White crystalline powder
Purity
98%-103%(T); 97% HPLC
CAS RN
3026-63-9
Appearance
Off white to white powder
Purity
1,13-DIAMINO-4,7,10-TRIOXATRIDECANE
CAS RN
4246-51-9
Appearance
Pale yellow to colorless transparent liquid
Purity
97% GC
2,4,6-triisopropylbenzenesulfonyl hydrazide
CAS RN
39085-59-1
Appearance
White crystal
Purity
97%HPLC
4-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzoic acid
CAS RN
17057-04-4
Appearance
Pale yellow powder
Purity
98% HPLC
4-Methoxybenzamidine hydrochloride
CAS RN
51721-68-7
Appearance
White powder
Purity
99%HPLC
N,N-Dibenzylglycine ethyl ester
CAS RN
77385-90-1
Appearance
Off white to white crystalline powder
Purity
99% HPLC
(4-Carboxybutyl)triphenylphosphonium bromide
CAS RN
17814-85-6
Appearance
White to off white solid
Purity
98% HPLC
CAS RN
1546-79-8
Appearance
Pale yellow to colorless liquid
Purity
≥98% GC
Please fill out the form below and our sales team will be happy to assist you with a quote on peptide synthesis reagents.
This web uses Cookies
This site uses cookies to help deliver services. By using this site, you agree to the use of cookies. If you would like to know more, click our Cookie Policy.
Leave a message
Thank you for visiting us. Please leave a message and we will reply by email.