Algunos fragmentos que modifican la estructura activa de las moléculas de fármaco pueden instalarse en el esqueleto de la molécula de fármaco como piezas mecánicas para mejorar la actividad del fármaco y reducir los efectos secundarios.
(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
5-Amino-3-(2-furyl)-1H-1,2,4-triazole
CAS RN
3663-61-4
Appearance
Off-white to white powder
Purity
≥98% HPLC
CAS RN
150629-67-7
Appearance
White to off white to pale yellow powder
Purity
≥99.0%
CAS RN
72080-83-2
Appearance
Off-white to white powder
Purity
≥98% HPLC
CAS RN
165454-06-8
Appearance
Colorless to pale yellow transparent liquid
Purity
≥98.0%
CAS RN
3378-72-1
Appearance
Colorless to pale yellow or orange transparent liquid
Purity
≥98.0%
tert-Butyl (Mesitylsulfonyl) oxycarbaMate
CAS RN
36016-39-4
Appearance
White to off-white powder
Purity
≥98.0%
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
1,3-Di-Boc-2-(2-hydroxyethyl)guanidine
CAS RN
215050-11-6
Appearance
Off white to yellowish solid powder
Purity
96% HPLC
2-(2-aminoethyl)isoindoline-1,3-dione hydrochloride
CAS RN
30250-67-0
Appearance
White to off white solid
Purity
>99%
CLMMB 4-Chloro-n-methoxy-n-methylbenzamide
CAS RN
122334-37-6
Appearance
Colorless Transparent Liquid
Purity
≥98%GC
Cyclohexylhydrazine hydrochloride
CAS RN
24214-73-1
Appearance
White crystal
Purity
99% T
METHYL 2,2,2-TRICHLOROACETIMIDATE
CAS RN
2533-69-9
Appearance
Colorless Transparent Liquid
Purity
97%(GC)
(4-Fluorobenzyl)triphenylphosphonium chloride
CAS RN
3462-95-1
Appearance
White crystalline powder
Purity
99% HPLC
N-Boc-1h-pyrazole-1-carboxamidine
CAS RN
152120-61-1
Appearance
White crystal
Purity
98% HPLC
Pyrrolidin-3-one hydrochloride
CAS RN
3760-52-9
Appearance
Off white powder
Purity
97% NMR
11-Maleimidoundecanoic Acid Sulfo-N-Succinimidyl Ester
CAS RN
211236-68-9
Appearance
White to off white solid
Purity
>95% H-NMR
CAS RN
21871-47-6
Appearance
White to off-white powder
Purity
≥98% HPLC
Methyl 4-(diethylcarbamoyl)benzoate
CAS RN
122357-96-4
Appearance
Pale yellow transparent liquid
Purity
98% HPLC
Boc-S S-Boc-2-mercapto-4,6-dimethylpyrimidine
CAS RN
41840-28-2
Appearance
White powder
Purity
99% HPLC
Diethyl (Phthalimidomethyl)phosphonate
CAS RN
33512-26-4
Appearance
White to off white solid
Purity
≥98% GC
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
Tert-Butyl (2-hydroxyethyl)(methyl)carbamate
CAS RN
57561-39-4
Appearance
colorless liquid
Purity
99% GC
CAS RN
2127-03-9
Appearance
Off white to white crystalline powder
Purity
99%HPLC
2-Ethoxybenzamidine hydrochloride
CAS RN
18637-00-8
Appearance
White to off white powder
Purity
98% HPLC
2N Di-tert butyl dicarbonate in tetrahydrofuran
CAS RN
24424-99-5
Appearance
Colorless Transparent Liquid
Purity
2mol/L
3-Fluorobenzamidine hydrochloride
CAS RN
75207-72-6
Appearance
White powder
Purity
98% HPLC
4-Aminobenzamidine dihydrochloride
CAS RN
2498-50-2
Appearance
White powder
Purity
98%HPLC
N-(Diphenylmethylene)-glycine 1-methylethyl ester
CAS RN
119244-11-0
Appearance
White to off-white powder
Purity
≥99.0%
1-Boc-piperidine-2-carboxamide
CAS RN
388077-74-5
Appearance
White or almost white crystalline powder
Purity
97% GC
2,4-Dimethoxy-4-hydroxyacetophenone
CAS RN
41351-30-8
Appearance
Pale yellow to white solid powder
Purity
98% HPLC
CAS RN
593-56-6
Appearance
White or yellowish crystals
Purity
98%-103(AT)
N-Benzyloxycarbonyl-1,2-diaminoethane hydrochloride
CAS RN
18807-71-1
Appearance
White powder
Purity
>98% HPLC
N-tert-butoxycarbonyl-2-amino-2-methyl-1-propanol
CAS RN
102520-97-8
Appearance
crystal
Purity
98% GC
1,1'-(Azodicarbonyl)-dipiperidine
CAS RN
10465-81-3
Appearance
Pale yellow to yellow solid
Purity
98% 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
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)
2-Amidinopyrimidine hydrochloride
CAS RN
138588-40-6
Appearance
Yellow green solid
Purity
98%HPLC
4-carbamoylphenylcarbamic acid 2,5-dioxyopyrrolidin-1-yl...
CAS RN
200197-04-2
Appearance
White solid powder
Purity
97% HPLC
4-Nitrobenzamidine, hydrochloride
CAS RN
15723-90-7
Appearance
Pale yellow crystalline powder
Purity
98%HPLC
CAS RN
30364-60-4
Appearance
White solid
Purity
Nuclear magnetic coincidence
N-(4-Chloro-7H-pyrrolo[2,3-d]pyrimidin-2-yl)-2,2-dimethylpro...
CAS RN
149765-15-1
Appearance
Powder grey crystalline powder
Purity
>98 HPLC
CAS RN
27988-97-2
Appearance
colorless liquid
Purity
0.45ML
tert-Butyl (2-(benzylamino)ethyl)carbamate
CAS RN
174799-52-1
Appearance
Colorless or light yellow liquid
Purity
>98% HPLC
(5-Carboxypentyl)(triphenyl)phosphoniumbromide
CAS RN
50889-29-7
Appearance
White crystalline powder
Purity
>98% HPLC
2-Aminothiazole-4-carboxylic Acid Ethyl Ester
CAS RN
5398-36-7
Appearance
Pale yellow to off white powder
Purity
98%HPLC
3-Amino-3-iminopropanoic acid ethyl ester hydrochloride
CAS RN
57508-48-2
Appearance
Off white to white solid powder
Purity
>97%
4-Amidinobenzamide hydrochloride
CAS RN
59855-11-7
Appearance
White solid powder
Purity
98% HPLC
5-Bromo-2-(4-boc-piperazin-1-yl)pyrimidine
CAS RN
374930-88-8
Appearance
White powder
Purity
98% HPLC
CAS RN
610-93-5
Appearance
Pale yellow crystalline powder
Purity
97% HPLC
Dimethyl 1,3-dihydro-3-oxoisobenzofuran-1-yl-1-phosphonate
CAS RN
61260-15-9
Appearance
White crystal or powder
Purity
98%HPLC
CAS RN
3240-34-4
Appearance
Off white to white powder
Purity
99% HPLC
tBuO-Ste-Glu(AEEA-AEEA-OH)OtBu
CAS RN
1118767-16-0
Appearance
Pale yellow to colorless viscous oily liquid or solid
Purity
98% HPLC
1-(1-ethoxyethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-...
CAS RN
1029716-44-6
Appearance
White solid
Purity
99.8% HPLC
1-(6-aminohexyl)-1H-pyrrole-2,5-dione hydrochloride
CAS RN
75238-09-4
Appearance
White solid
Purity
99,30%
CAS RN
21075-83-2
Appearance
Colorless to yellowish liquid
Purity
98%GC
1-Boc-2-piperidinecarbaldehyde
CAS RN
157634-02-1
Appearance
Light yellow viscous liquid or solid
Purity
95% HPLC
1-tert-Butyl-3-ethylcarbodiiMide
CAS RN
1433-27-8
Appearance
Light yellow to colorless transparent liquid
Purity
≥98.0%
1-[4-(2-AZEPAN-1-YL-ETHOXY)-BENZYL]-5-BENZYLOXY-2-(4-BENZYLO...
CAS RN
198480-21-6
Appearance
Purity
≥98%
2,5-dichloro-4-({2-[dioxo(prop-2-yl)-λ6-sulfanyl]phenyl}amin...
CAS RN
761440-16-8
Appearance
White to off white solid
Purity
99.5% HPLC
2-acetamido-3-(3-bromophenyl)propanoic acid
CAS RN
1266723-48-1
Appearance
White solid
Purity
99% HPLC
CAS RN
87276-51-5
Appearance
Off white to yellowish powder
Purity
>99.0%
2-Methylpropylhydrazine hydrochloride
CAS RN
237064-47-0
Appearance
White solid
Purity
98%-103% T
CAS RN
874-86-2
Appearance
White acicular crystal
Purity
98%HPLC
CAS RN
889676-37-3
Appearance
Off white to white powder
Purity
≥99.0%HPLC
6-Bromonicotinic acid ethyl ester
CAS RN
132334-98-6
Appearance
Pale yellow transparent liquid or solid
Purity
98%GC
CAS RN
16064-24-7
Appearance
Off white to white solid 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
Di-tert-Butyl azodicarboxylate
CAS RN
870-50-8
Appearance
Yellow crystalline powder
Purity
98%GC
Ethyl (hydroxyimino)cyanoacetate potassium salt
CAS RN
158014-03-0
Appearance
Yellow powdery solid
Purity
98.6% HPLC
Ethyl 1-Boc-piperidine-3-carboxylate
CAS RN
130250-54-3
Appearance
Light yellow liquid
Purity
98% GC
Glycine,N-(2-aminoethyl)-,ethyl ester chloride
CAS RN
24123-13-5
Appearance
Off white to white solid powder
Purity
>98% T
N-(tert-Butoxycarbonyl)-1,2-phenylenediamine
CAS RN
146651-75-4
Appearance
Orange solid
Purity
98% HPLC
CAS RN
3589-41-1
Appearance
White to off-white crystalline powder
Purity
≥98.0%
CAS RN
600-23-7
Appearance
colorless liquid
Purity
>95.0% H-NMR
1,4-Benzodioxane-2-carboxylic acid
CAS RN
3663-80-7
Appearance
White to off-white powder
Purity
≥98% GC
CAS RN
697-73-4
Appearance
Pale yellow to colorless liquid or solid
Purity
99%
2-(3-bromopropyl)isoindoline-1,3-dione
CAS RN
5460-29-7
Appearance
White powder
Purity
≥98.5%(HPLC)
4-Bromophenylhydrazine hydrochloride
CAS RN
622-88-8
Appearance
White to off white solid
Purity
98%HPLC
6-Bromopyridine-2-carbaldehyde
CAS RN
34160-40-2
Appearance
Pale yellow powder
Purity
98%HPLC
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
FMOC-1,4-DIAMINOBUTANE HYDROCHLORIDE
CAS RN
321660-77-9
Appearance
White powder
Purity
>98%
methyl 2-aminopent-4-enoate hydrogen chloride
CAS RN
115289-55-9
Appearance
Yellow viscous liquid
Purity
>97%
CAS RN
5637-42-3
Appearance
Quasi white crystal
Purity
98%HPLC
N-(Diphenylmethylene)glycine ethyl ester
CAS RN
69555-14-2
Appearance
Off white to white powder
Purity
98% HPLC
CAS RN
116574-71-1
Appearance
White to almost white crystalline powder
Purity
97% HPLC
N-Succinimidyl 6-(3-Maleimidopropionamido) Hexanoate(SMPH...
CAS RN
367927-39-7
Appearance
Off white to white solid
Purity
>97%
SucciniMidyl 1-Pyrenebutanoate
CAS RN
114932-60-4
Appearance
Earthy yellow powder
Purity
98% HPLC
(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
CAS RN
929-59-9
Appearance
Pale yellow clear liquid
Purity
>97% T
1-Propanaminium-3-[(ethylcarbonimidoyl)amio]-N,N,N-trimethyl...
CAS RN
6179-57-3
Appearance
White to off-white powder
Purity
≥98.0%
2,4-Dichlorothieno[3,2-d]pyrimidine
CAS RN
16234-14-3
Appearance
Off white to white crystalline powder
Purity
≥98%HPLC
2-(3-CHLOROPROPYL)-2,5,5-TRIMETHYL-[1,3]-DIOXANE
CAS RN
88128-57-8
Appearance
Purity
≥98%
2-Bromo-5-fluoropyridine 1-oxide
CAS RN
935534-39-7
Appearance
Light yellow to almost white solid
Purity
≥98.0%
3,5-dimethylpyrazole-1-carboxamidine
CAS RN
22906-75-8
Appearance
Light pink to almost white powder
Purity
≥98% HPLC
3-Methoxybenzamidine hydrochloride
CAS RN
26113-44-0
Appearance
White crystalline powder
Purity
≥98.0 %
4,7-Methano-1H-isoindole-1,3(2H)-dione
CAS RN
245092-43-7
Appearance
White powder
Purity
99.0% HPLC
CAS RN
14548-39-1
Appearance
White crystalline powder
Purity
99% HPLC
EOPC Ethyl N-Boc-4-Oxopyrrolidine-3-carboxylate
CAS RN
146256-98-6
Appearance
Off white solid
Purity
98% HPLC
CAS RN
1631-26-1
Appearance
Off white to white crystalline powder
Purity
98%HPLC
N-Boc-N-methoxy-3-aminopropionic acid
CAS RN
172299-81-9
Appearance
Colorless Transparent Liquid
Purity
98% HNMR
N-Boc-PTE Methyl n-boc-2-(dimethylphosphono)glycinate
CAS RN
89524-98-1
Appearance
White powder
Purity
97% HPLC
Succinimidyl-[4-(N-maleimidomethyl)]-cyclohexane-1-carboxy-(...
CAS RN
125559-00-4
Appearance
White solid
Purity
>95%
TATM β-D-Mannopyranose 1,3,4,6-tetra-O-acetate...
CAS RN
92051-23-5
Appearance
Off white to white solid
Purity
98%GC
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
3321-64-0
Appearance
Light yellow to white flaky solid
Purity
>98.0% qNMR
1-cyclopentylhydrazine dihydrochloride
CAS RN
645372-27-6
Appearance
White solid
Purity
>98%
2-bromobenzimidamide hydrochloride
CAS RN
57075-82-8
Appearance
Off white to white solid powder
Purity
>97% HPLC
4-nitrophenyl dimethylcarbamate
CAS RN
7244-70-4
Appearance
Off white to light yellow powder
Purity
≥98% HPLC
5-Hydroxypentanoic Acid SodiuM Salt
CAS RN
37435-69-1
Appearance
White solid
Purity
>97% HNMR
6,7-Bis-(2-methoxyethoxy)-4(3H)-quinazolinone
CAS RN
179688-29-0
Appearance
Off white to white solid powder
Purity
>99% HPLC
7-BENZYL-5,6,7,8-TETRAHYDRO-3H-PYRIDO[3,4-D]PYRIMIDIN-4-ONE...
CAS RN
62458-96-2
Appearance
White solid powder
Purity
>98% HPLC
CAS RN
3426-71-9
Appearance
Off white to white powder
Purity
98% HPLC
Ethyl 4-hydroxypyrimidine-5-carboxylate
CAS RN
4786-52-1
Appearance
Off white to white solid powder
Purity
>98% HPLC
CAS RN
6065-82-3
Appearance
Pale yellow to colorless liquid
Purity
>98% GC,HNMR
Methyl 6-HydroxypyriMidine-4-carboxylate
CAS RN
7399-93-1
Appearance
Off white to white solid powder
Purity
>98% HPLC
MMT-HexylaminolinkerPhosphoramidite
CAS RN
114616-27-2
Appearance
Colorless viscous liquid
Purity
≥98% HPLC
N-(2-Aminoethyl)methacrylamide Hydrochloride
CAS RN
76259-32-0
Appearance
White to off-white powder
Purity
98-102%(T)
CAS RN
500-73-2
Appearance
Colorless to light yellow transparent liquid
Purity
≥98% GC
(S)-tert-butyl (1-cyano-2-(4-iodophenyl)ethyl)carbamate
CAS RN
1159489-37-8
Appearance
White to pale yellow powder
Purity
≥98.0%
1,1,1,3,3,3-Hexafluoro-2-propanol
CAS RN
920-66-1
Appearance
Colorless Transparent Liquid
Purity
98% GC
1-(Tert-butoxycarbonyl)-2-pyrrolidinone
CAS RN
85909-08-6
Appearance
Yellowish to colorless solid crystal
Purity
≥98%
CAS RN
775-15-5
Appearance
Pale yellow to colorless transparent liquid
Purity
>98%(GC)
1-Benzylpyrrolidin-3-one,hydrochloride
CAS RN
1012-01-7
Appearance
Off white to off white powder
Purity
>98%(HPLC)
CAS RN
130312-02-6
Appearance
Colorless transparent liquid or white solid
Purity
97% GC
1H-1,2,4-triazole-1-carboxamidine monohydrochloride
CAS RN
19503-26-5
Appearance
White powder
Purity
98% HPLC
2-Azido-1,3-dimethylimidazolinium Hexafluorophosphate
CAS RN
1266134-54-6
Appearance
White crystalline powder
Purity
98% HPLC
2-Chloro-1,3-bis(dimentylamino)trimethinium...
CAS RN
249561-98-6
Appearance
Off white to white solid
Purity
98.0% 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
3,8,11-Trioxa-5-azatridecan-13-oic acid
CAS RN
108466-89-3
Appearance
Off white to white solid powder
Purity
98% HPLC
CAS RN
13020-57-0
Appearance
Pale yellow to white solid powder
Purity
98% HPLC
CAS RN
2645-22-9
Appearance
Off white to yellow solid
Purity
98%HPLC
CAS RN
874-90-8
Appearance
White crystalline powder
Purity
98%HPLC
CAS RN
20872-93-9
Appearance
Off white to white solid powder
Purity
>98% HPLC
amino-hydroxyimino-acetic acid ethyl ester
CAS RN
1217428-98-2
Appearance
White solid
Purity
>98%
Cyclohexylmethyl N-tosyloxycarbamate
CAS RN
869111-41-1
Appearance
White to off white solid
Purity
≥ 95%GC
Ethyl 6-bromo-4-hydroxy-3-quinolinecarboxylate
CAS RN
79607-23-1
Appearance
Off white to white solid
Purity
98.0% HPLC
Methyl 1-Boc-piperidine-3-carboxylate
CAS RN
148763-41-1
Appearance
Off white to light yellow powder
Purity
98% GC
N,N'-Bis(tert-butoxycarbonyl)guanidine
CAS RN
154476-57-0
Appearance
White powder
Purity
98% HPLC
N-(TERT-BUTYL)-2-CHLOROACETAMIDE
CAS RN
15678-99-6
Appearance
White to almost white crystalline powder
Purity
≥98% HPLC
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