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
N-(3-Aminopropyl)methacrylamide hydrochloride
CAS RN
72607-53-5
Appearance
White powder
Purity
98% 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
Sulfo-N-succinimidyl 4-maleimidobutyrate sodium salt
CAS RN
185332-92-7
Appearance
White to off-white powder
Purity
>95% H-NMR
(S)-2,6-Bis-tert-butoxy carbonylamino-hexanoic acid
CAS RN
2483-46-7
Appearance
White solid powder
Purity
98%
1-(Diphenylmethyl)-3-azetidinyl methanesulfonate
CAS RN
33301-41-6
Appearance
White solid
Purity
>98% HPLC
3-METHYL-5-(PHENYLMETHOXY)-2-[4-(PHENYLMETHOXY)PHENYL]-1H-IN...
CAS RN
198479-63-9
Appearance
Purity
≥98%
Biotinamidohexanoyl-6-aminohexanoic acid...
CAS RN
89889-52-1
Appearance
White solid
Purity
>95%
1,1,1-Trimethoxy-2-chloroethane
CAS RN
74974-54-2
Appearance
Pale yellow to colorless transparent liquid
Purity
98.8%(GC)
6-Oxo-3H-pyrimidine-4-carboxylic acid
CAS RN
6299-87-2
Appearance
Off white to white solid 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%
CAS RN
75844-40-5
Appearance
Off white to white solid powder
Purity
>98% HPLC
BEAZ Bis(2,2,2-trichloroethyl) azodicarboxylate
CAS RN
38857-88-4
Appearance
Yellow crystalline powder
Purity
≥98%HPLC
CAS RN
27988-97-2
Appearance
colorless liquid
Purity
0.45ML
5-Bromo-2-(4-boc-piperazin-1-yl)pyrimidine
CAS RN
374930-88-8
Appearance
White powder
Purity
98% HPLC
Boc-S S-Boc-2-mercapto-4,6-dimethylpyrimidine
CAS RN
41840-28-2
Appearance
White powder
Purity
99% 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
Boc-NH-PEG3;Boc-1-amino-3,6-dioxa-8-octanediamine(Colorless)
CAS RN
153086-78-3
Appearance
Colorless to Light yellow transparent liquid
Purity
≥99.0%
6-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)hexanehydrazide...
CAS RN
175290-73-0
Appearance
White powder
Purity
98% HPLC
CAS RN
14273-92-8
Appearance
Colorless Transparent Liquid
Purity
97.4% GC
[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
CAS RN
610-93-5
Appearance
Pale yellow crystalline powder
Purity
97% 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
1-cyclohexyl-1H-pyrrole-2,5-dione
CAS RN
1631-25-0
Appearance
White to off white solid
Purity
>98%
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
491-36-1
Appearance
Off white to white solid powder
Purity
>98% HPLC
CAS RN
328086-60-8
Appearance
Off white to white solid powder
Purity
>98.5% HPLC
Methyl piperidine-3-carboxylate
CAS RN
50585-89-2
Appearance
Pale yellow liquid
Purity
98% GC
N-(tert-Butoxycarbonyl)-1,4-phenylenediamine
CAS RN
71026-66-9
Appearance
Beige to brown crystalline powder
Purity
97% HPLC
propargyl carbonate N-hydroxysuccinimide ester
CAS RN
484064-96-2
Appearance
Off white to white solid powder
Purity
98% HPLC
4-Chlorobenzene-1-carboximidamide hydrochloride
CAS RN
14401-51-5
Appearance
White crystal
Purity
98%HPLC
METHYL 2,2,2-TRICHLOROACETIMIDATE
CAS RN
2533-69-9
Appearance
Colorless Transparent Liquid
Purity
97%(GC)
1-(Cyanomethyl)piperidinium TetrafluoroborateTetramethyl...
CAS RN
434937-12-9
Appearance
Purity
4-Fluorobenzamidine hydrochloride
CAS RN
456-14-4
Appearance
White to almost white crystalline powder
Purity
98%HPLC
4-nitrophenyl dimethylcarbamate
CAS RN
7244-70-4
Appearance
Off white to light yellow powder
Purity
≥98% HPLC
DL-methyl-2-amino-2-cyclopropylacetate hydrochloride
CAS RN
535936-86-8
Appearance
White powder
Purity
N-(Benzyloxycarbonyl)-2-aminoacetonitrile
CAS RN
3589-41-1
Appearance
Pale yellow to white solid powder
Purity
98% HPLC
O-diphenylphosphinylhydroxylamine
CAS RN
72804-96-7
Appearance
White powder
Purity
90% HPLC
(R)-1-carboxybut-3-en-1-aminium chloride
CAS RN
108412-04-0
Appearance
White crystalline powder
Purity
1-N-ethoxycarbonyl-3-pyrrolidone
CAS RN
14891-10-2
Appearance
Pale yellow to colorless transparent liquid
Purity
≥98%
2-(2-aminoethyl)isoindoline-1,3-dione hydrochloride
CAS RN
30250-67-0
Appearance
White to off white solid
Purity
>99%
2-Aminoethanesulphonamide monohydrochloride
CAS RN
89756-60-5
Appearance
White crystalline powder
Purity
97%-102%(T)
Boc-1,3-diaminopropane hydrochloride
CAS RN
127346-48-9
Appearance
White crystalline powder
Purity
98 %-103%(AT)
CAS RN
3589-41-1
Appearance
White to off-white crystalline powder
Purity
≥98.0%
4-(1-Acetylpiperazin-4-yl)phenol
CAS RN
67914-60-7
Appearance
Off white solid
Purity
>97% T
(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
17766-28-8
Appearance
Pale yellow to colorless solid
Purity
98% GC
2-Methyl-1-(4-methylphenyl)sulfonylimidazole
CAS RN
86181-71-7
Appearance
White crystalline powder
Purity
98%HPLC
CAS RN
87276-51-5
Appearance
Off white to yellowish powder
Purity
>99.0%
Ethyl 6-bromo-4-hydroxy-3-quinolinecarboxylate
CAS RN
79607-23-1
Appearance
Off white to white solid
Purity
98.0% HPLC
Ethyl 6-bromo-4-hydroxyquinoline-3-carboxylate
CAS RN
122794-99-4
Appearance
Pale yellow to off white powder
Purity
97% NMR
CAS RN
26218-78-0
Appearance
White to off white solid
Purity
97%HPLC
N-(Diphenylmethylene)glycine ethyl ester
CAS RN
69555-14-2
Appearance
Off white to white powder
Purity
98% HPLC
1H-Benzotriazole-5-carboxylic acid
CAS RN
60932-58-3
Appearance
Pale pink to pinkish-red powder
Purity
≥98.0%
Pyrrolidin-3-one hydrochloride
CAS RN
3760-52-9
Appearance
Off white powder
Purity
97% NMR
1-sec-butylhydrazine dihydrochloride
CAS RN
1177361-36-2
Appearance
White solid
Purity
滴定含量97%-103%
2-Thiazolecarboxamidine Hydrochloride
CAS RN
247037-82-7
Appearance
Off white to white solid powder
Purity
>99% HPLC
CAS RN
2449-05-0
Appearance
Orange crystalline powder
Purity
98% HPLC
Terephthalimidamidedihydrochloride
CAS RN
14401-56-0
Appearance
Off white to white solid powder
Purity
>98% HPLC
4-Amidinobenzamide hydrochloride
CAS RN
59855-11-7
Appearance
White solid powder
Purity
98% HPLC
CAS RN
1034-39-5
Appearance
Off white crystal or light yellow powder
Purity
97% T
CAS RN
53386-64-4
Appearance
Pale yellow to colorless transparent liquid
Purity
98% GC
1-(4-(methylamino)phenyl)ethanone
CAS RN
17687-47-7
Appearance
Pale yellow powder
Purity
97% HPLC
TERT-BUTYL 2,4-DIOXOPIPERIDINE-1-CARBOXYLATE
CAS RN
845267-78-9
Appearance
White to light yellow crystalline powder
Purity
≥98%
CAS RN
600-23-7
Appearance
colorless liquid
Purity
>95.0% H-NMR
CAS RN
3321-64-0
Appearance
Light yellow to white flaky solid
Purity
>98.0% qNMR
CAS RN
623-05-2
Appearance
White crystalline powder
Purity
≥99%HPLC
CAS RN
10576-12-2
Appearance
White to light green solid or colorless to light green transparent liquid
Purity
97% GC
Morpholine-4-carboxiMidaMide hydrochloride
CAS RN
5638-78-8
Appearance
White powder
Purity
>98% HNMR
CAS RN
6627-89-0
Appearance
Colorless transparent liquid; 1.05 g/mL at 20 °C(lit.)
Purity
95%HPLC
CAS RN
29897-82-3
Appearance
Colorless to yellowish liquid
Purity
>98%
1-Propanaminium-3-[(ethylcarbonimidoyl)amio]-N,N,N-trimethyl...
CAS RN
6179-57-3
Appearance
White to off-white powder
Purity
≥98.0%
CAS RN
139585-70-9
Appearance
White to off white solid
Purity
97% HPLC
2-Fluoro-5-[(3-oxo-1(3H)-isobenzofuranylidene)methyl]-benzon...
CAS RN
763114-25-6
Appearance
Yellow to white powder
Purity
>98% HPLC
4-Amino-2,6-dimethoxypyrimidine
CAS RN
3289-50-7
Appearance
Off white to yellow powder
Purity
≥98% HPLC
CAS RN
3871-20-3
Appearance
Light yellow solid
Purity
≥98% HPLC
1-pyridin-2-ylmethylpiperazine hydrochloride
CAS RN
1185319-46-3
Appearance
Pale yellow solid powder
Purity
99,70%
CAS RN
2916-68-9
Appearance
Colorless to yellowish liquid
Purity
97% GC
6,7-Dimethoxy-3,4-dihydroquinazoline-4-one
CAS RN
13794-72-4
Appearance
Off white to white solid powder
Purity
>98% HPLC
4-Methoxybenzamidine hydrochloride
CAS RN
51721-68-7
Appearance
White powder
Purity
99%HPLC
5-Bromo-2,3-dihydroisoindol-1-one
CAS RN
552330-86-6
Appearance
Quasi white floc
Purity
99% HPLC
CAS RN
32084-59-6
Appearance
Off white to white solid powder
Purity
>98% HPLC
1,3-Bis(tert-butoxycarbonyl)guanidine
CAS RN
154476-57-0
Appearance
Off-white to light yellow solid powder
Purity
98% HPLC
3-Fluorobenzamidine hydrochloride
CAS RN
75207-72-6
Appearance
White powder
Purity
98% HPLC
3-Phenyl-1H-pyrazole-4-carbaldehyde
CAS RN
26033-20-5
Appearance
White to yellow powder
Purity
98% HPLC
4-cyclohexyl-piperazine-1-carboxylic acid tert-butyl ester
CAS RN
1224935-95-8
Appearance
White powder
Purity
97% HPLC
Ethyl 1-benzylpiperidine-4-carboxylate
CAS RN
24228-40-8
Appearance
Colorless to light yellow liquid
Purity
98% HPLC
CAS RN
150629-67-7
Appearance
White to off white to pale yellow powder
Purity
≥99.0%
CAS RN
172089-14-4
Appearance
Colorless to light yellow or orange oily substance
Purity
≥98% HPLC
N-Boc-PTE Methyl n-boc-2-(dimethylphosphono)glycinate
CAS RN
89524-98-1
Appearance
White powder
Purity
97% HPLC
1-(benzyloxy)-4-[2-(cyclopropylmethoxy)ethyl]benzene
CAS RN
63659-15-4
Appearance
Purity
>97% T
4-Chloro-3-pyridinesulfonamide
CAS RN
33263-43-3
Appearance
Light yellow or yellow solid
Purity
>97.0% HPLC
6-Bromopyridine-2-carbaldehyde
CAS RN
34160-40-2
Appearance
Pale yellow powder
Purity
98%HPLC
6-Hydroxy-2,3-dihydrobenzo[b]furan-3-one
CAS RN
6272-26-0
Appearance
Grey powder
Purity
98%HPLC
CAS RN
43036-06-2
Appearance
Yellow to dark brown liquid
Purity
98%GC
CAS RN
52898-32-5
Appearance
White to off white solid
Purity
≥98% HPLC
N-(4-Pyridyl)pyridinium chloride hydrochloride
CAS RN
5421-92-1
Appearance
Pale yellow solid
Purity
98%HPLC
1,3-Di-Boc-2-(2-hydroxyethyl)guanidine
CAS RN
215050-11-6
Appearance
Off white to yellowish solid powder
Purity
96% HPLC
CAS RN
120-43-4
Appearance
Pale yellow to colorless liquid
Purity
99%GC
Ethyl (hydroxyimino)cyanoacetate potassium salt
CAS RN
158014-03-0
Appearance
Yellow powdery solid
Purity
98.6% HPLC
Octadecanedioic acid mono-tert-butyl ester
CAS RN
843666-40-0
Appearance
Off white to white solid powder
Purity
99% T
CAS RN
185456-26-2
Appearance
White to off white solid
Purity
Methyl 6-HydroxypyriMidine-4-carboxylate
CAS RN
7399-93-1
Appearance
Off white to white solid powder
Purity
>98% HPLC
Methyl Pentafluorophenyl Carbonate
CAS RN
36919-03-6
Appearance
White crystalline solid or colorless liquid
Purity
98%HPLC
MMT-HexylaminolinkerPhosphoramidite
CAS RN
114616-27-2
Appearance
Colorless viscous liquid
Purity
≥98% HPLC
CAS RN
121492-06-6
Appearance
colorless liquid
Purity
>98% GC, HNMR
1-Boc-2-piperidinecarbaldehyde
CAS RN
157634-02-1
Appearance
Light yellow viscous liquid or solid
Purity
95% HPLC
3,5-dimethylpyrazole-1-carboxamidine
CAS RN
22906-75-8
Appearance
Light pink to almost white powder
Purity
≥98% HPLC
CAS RN
17696-11-6
Appearance
Pale yellow to off white solid or transparent liquid
Purity
>97.0%(GC)
CAS RN
1452-77-3
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
CAS RN
2127-03-9
Appearance
Off white to white crystalline powder
Purity
99%HPLC
Methyl (triphenylphosphoranylidene)acetate
CAS RN
2605-67-6
Appearance
White powder
Purity
99.2% HPLC
methyl 4-piperidinecarboxylate
CAS RN
2971-79-1
Appearance
Pale yellow liquid
Purity
98% GC
1-(4-methoxybenzyl)hydrazine dihydrochloride
CAS RN
412327-07-2
Appearance
Off white to yellowish solid powder
Purity
97% HPLC
CAS RN
3332-29-4
Appearance
White or yellowish crystals
Purity
98%-103(AT)
HTIB [Hydroxy(tosyloxy)iodo]benzene
CAS RN
27126-76-7
Appearance
Off white to yellowish crystalline powder
Purity
99%HPLC
Pyridine-2,6-dicarboximidamide Dihydrochloride
CAS RN
1394382-56-9
Appearance
White to off-white powder
Purity
98~102% T
2-(1,3-Dioxoisoindolin-2-yl)ethanesulfonic acid
CAS RN
4443-24-7
Appearance
White crystalline powder
Purity
>98% HPLC
6-maleimidohexanoic acid pentafluorophenyl ester
CAS RN
692739-25-6
Appearance
White solid
Purity
99,60%
(S)-2,3-EPOXY-1-PROPYL TRIPHENYLMETHYL ETHER
CAS RN
129940-50-7
Appearance
Off white to yellowish solid powder
Purity
98% HPLC
3,8,11-Trioxa-5-azatridecan-13-oic acid
CAS RN
108466-89-3
Appearance
Off white to white solid powder
Purity
98% HPLC
4-Aminopyrazolo[3,4-d]pyrimidine
CAS RN
2380-63-4
Appearance
Light yellow to yellow or light brown powder
Purity
≥98% HPLC
CAS RN
3378-72-1
Appearance
Colorless to pale yellow or orange transparent liquid
Purity
≥98.0%
CAS RN
16066-84-5
Appearance
Transparent liquid or white crystal
Purity
>98.0%(GC)
2-Phthalimidoethane sulfonamide
CAS RN
4443-23-6
Appearance
Off white to white powder
Purity
97% HPLC
L-Alanine isopropyl ester hydrochloride
CAS RN
62062-65-1
Appearance
Off white to white crystalline powder
Purity
98%AT
N-(Tert-butyl)hydroxylamine hydrochloride
CAS RN
57497-39-9
Appearance
White to almost white crystalline powder
Purity
98%AT
N-Amidino-N'-(p-isopropyl-benzyliden)-hydrazin
CAS RN
35404-63-8
Appearance
White solid
Purity
98% H-NMR
CAS RN
75178-96-0
Appearance
White solid or colorless liquid
Purity
97% GC
4-hydroxymethyl-3-methoxyphenylacetic acid
CAS RN
83590-77-6
Appearance
Off white to white powder
Purity
98% HPLC
6-Bromonicotinic acid ethyl ester
CAS RN
132334-98-6
Appearance
Pale yellow transparent liquid or solid
Purity
98%GC
4-Hydroxy Benzeneacetic Acid 2-(DiMethylaMino)-2-oxoethyl...
CAS RN
59721-16-3
Appearance
White solid
Purity
>98%(HPLC, HNMR)
CAS RN
871-70-5
Appearance
White to off-white powder
Purity
≥98% HPLC
Ethyl acetohydroxamate 50% in THF
CAS RN
10576-12-2
Appearance
Pale yellow to colorless transparent liquid
Purity
49%-51%
CAS RN
500-73-2
Appearance
Colorless to light yellow transparent liquid
Purity
≥98% GC
CAS RN
228244-04-0
Appearance
White to off white 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
CAS RN
775-15-5
Appearance
Pale yellow to colorless transparent liquid
Purity
>98%(GC)
CAS RN
69491-64-1
Appearance
White to off-white powder
Purity
≥98.0%
CAS RN
89102-73-8
Appearance
Pale yellow to colorless transparent liquid
Purity
97% HPLC
diethyl 2-(ethoxymethylene)malonate
CAS RN
87-13-8
Appearance
Pale yellow liquid
Purity
>98%
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