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
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%
CAS RN
623-05-2
Appearance
White crystalline powder
Purity
≥99%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
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
6-Bromopyridine-2-carbaldehyde
CAS RN
34160-40-2
Appearance
Pale yellow powder
Purity
98%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
Pyrrolidin-3-one hydrochloride
CAS RN
3760-52-9
Appearance
Off white powder
Purity
97% NMR
2-Fluoro-5-[(3-oxo-1(3H)-isobenzofuranylidene)methyl]-benzon...
CAS RN
763114-25-6
Appearance
Yellow to white powder
Purity
>98% HPLC
3-METHYL-5-(PHENYLMETHOXY)-2-[4-(PHENYLMETHOXY)PHENYL]-1H-IN...
CAS RN
198479-63-9
Appearance
Purity
≥98%
CAS RN
72080-83-2
Appearance
Off-white to white powder
Purity
≥98% HPLC
CAS RN
3589-41-1
Appearance
White to off-white crystalline powder
Purity
≥98.0%
(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
32084-59-6
Appearance
Off white to white solid powder
Purity
>98% HPLC
Dimethyl 1,3-dihydro-3-oxoisobenzofuran-1-yl-1-phosphonate
CAS RN
61260-15-9
Appearance
White crystal or 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
2-(2-aminoethyl)isoindoline-1,3-dione hydrochloride
CAS RN
30250-67-0
Appearance
White to off white solid
Purity
>99%
CAS RN
87276-51-5
Appearance
Off white to yellowish powder
Purity
>99.0%
CAS RN
874-90-8
Appearance
White crystalline powder
Purity
98%HPLC
(4-Fluorobenzyl)triphenylphosphonium chloride
CAS RN
3462-95-1
Appearance
White crystalline powder
Purity
99% HPLC
2-bromobenzimidamide hydrochloride
CAS RN
57075-82-8
Appearance
Off white to white solid powder
Purity
>97% HPLC
3-Amino-3-iminopropanoic acid ethyl ester hydrochloride
CAS RN
57508-48-2
Appearance
Off white to white solid powder
Purity
>97%
Ethyl acetohydroxamate 50% in THF
CAS RN
10576-12-2
Appearance
Pale yellow to colorless transparent liquid
Purity
49%-51%
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 6-HydroxypyriMidine-4-carboxylate
CAS RN
7399-93-1
Appearance
Off white to 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%
1-sec-butylhydrazine dihydrochloride
CAS RN
1177361-36-2
Appearance
White solid
Purity
滴定含量97%-103%
1H-Benzotriazole-5-carboxylic acid
CAS RN
60932-58-3
Appearance
Pale pink to pinkish-red powder
Purity
≥98.0%
Biotinamidohexanoyl-6-aminohexanoic acid...
CAS RN
89889-52-1
Appearance
White solid
Purity
>95%
CLMMB 4-Chloro-n-methoxy-n-methylbenzamide
CAS RN
122334-37-6
Appearance
Colorless Transparent Liquid
Purity
≥98%GC
CAS RN
1631-26-1
Appearance
Off white to white crystalline powder
Purity
98%HPLC
tert-Butyl (Mesitylsulfonyl) oxycarbaMate
CAS RN
36016-39-4
Appearance
White to off-white powder
Purity
≥98.0%
[2-(4-maleimidophenyl)]acetic acid
CAS RN
91574-45-7
Appearance
Yellow solid
Purity
98% HPLC
2,4,6-Triphenylpyrylium tetrafluoroborate
CAS RN
448-61-3
Appearance
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
BEAZ Bis(2,2,2-trichloroethyl) azodicarboxylate
CAS RN
38857-88-4
Appearance
Yellow crystalline powder
Purity
≥98%HPLC
Boc-S S-Boc-2-mercapto-4,6-dimethylpyrimidine
CAS RN
41840-28-2
Appearance
White powder
Purity
99% HPLC
CAS RN
1034-39-5
Appearance
Off white crystal or light yellow powder
Purity
97% T
CAS RN
121492-06-6
Appearance
colorless liquid
Purity
>98% GC, HNMR
CAS RN
5806-90-6
Appearance
Pale yellow to colorless liquid
Purity
>95%(GC, HNMR)
Sulfo-N-succinimidyl 4-maleimidobutyrate sodium salt
CAS RN
185332-92-7
Appearance
White to off-white powder
Purity
>95% H-NMR
(4-Carboxybutyl)triphenylphosphonium bromide
CAS RN
17814-85-6
Appearance
White to off white solid
Purity
98% HPLC
CAS RN
1460-02-2
Appearance
White crystalline powder
Purity
98% GC
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-(4-(methylamino)phenyl)ethanone
CAS RN
17687-47-7
Appearance
Pale yellow powder
Purity
97% HPLC
1-[4-(2-AZEPAN-1-YL-ETHOXY)-BENZYL]-5-BENZYLOXY-2-(4-BENZYLO...
CAS RN
198480-21-6
Appearance
Purity
≥98%
2-Methyl-1-(4-methylphenyl)sulfonylimidazole
CAS RN
86181-71-7
Appearance
White crystalline powder
Purity
98%HPLC
CAS RN
2645-22-9
Appearance
Off white to yellow solid
Purity
98%HPLC
4-Chlorobenzene-1-carboximidamide hydrochloride
CAS RN
14401-51-5
Appearance
White crystal
Purity
98%HPLC
CAS RN
21871-47-6
Appearance
White to off-white powder
Purity
≥98% HPLC
Cyclohexylmethyl N-tosyloxycarbamate
CAS RN
869111-41-1
Appearance
White to off white solid
Purity
≥ 95%GC
CAS RN
2449-05-0
Appearance
Orange crystalline powder
Purity
98% HPLC
methyl 2-((tert-butoxycarbonyl)oxy)acetate
CAS RN
878395-91-6
Appearance
colorless liquid
Purity
99% GC
CAS RN
20845-34-5
Appearance
Light yellow liquid
Purity
97% GC
Terephthalimidamidedihydrochloride
CAS RN
14401-56-0
Appearance
Off white to white solid powder
Purity
>98% HPLC
tert-butyl 4-(4-nitrobenzyl)piperazine-1-carboxylate
CAS RN
130636-61-2
Appearance
Yellow solid
Purity
>99%
CAS RN
16066-84-5
Appearance
Transparent liquid or white crystal
Purity
>98.0%(GC)
[Bis(trifluoroacetoxy)iodo]benzene
CAS RN
2712-78-9
Appearance
White crystalline powder
Purity
98%HPLC
1-(4-methoxybenzyl)hydrazine dihydrochloride
CAS RN
412327-07-2
Appearance
Off white to yellowish solid powder
Purity
97% HPLC
1-(benzyloxy)-4-[2-(cyclopropylmethoxy)ethyl]benzene
CAS RN
63659-15-4
Appearance
Purity
>97% T
4-(1-Acetylpiperazin-4-yl)phenol
CAS RN
67914-60-7
Appearance
Off white solid
Purity
>97% T
4-Hydroxy Benzeneacetic Acid 2-(DiMethylaMino)-2-oxoethyl...
CAS RN
59721-16-3
Appearance
White solid
Purity
>98%(HPLC, HNMR)
CAS RN
32779-36-5
Appearance
White crystalline powder
Purity
98%HPLC
6-Oxo-3H-pyrimidine-4-carboxylic acid
CAS RN
6299-87-2
Appearance
Off white to white solid powder
Purity
>98% HPLC
CAS RN
3426-71-9
Appearance
Off white to white powder
Purity
98% HPLC
DL-methyl-2-amino-2-cyclopropylacetate hydrochloride
CAS RN
535936-86-8
Appearance
White powder
Purity
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
185456-26-2
Appearance
White to off white solid
Purity
Methyl 1-Boc-piperidine-2-carboxylate
CAS RN
167423-93-0
Appearance
Light yellow liquid
Purity
98% GC
N-Cbz-piperidine-4-carboxylic acid
CAS RN
10314-98-4
Appearance
White or almost white crystalline powder
Purity
98% GC
CAS RN
3871-20-3
Appearance
Light yellow solid
Purity
≥98% HPLC
(Trifluoroacetyl)benzotriazole (1H,2H-isomer mixture)
CAS RN
183266-61-7
Appearance
Off white solid
Purity
99,90%
1,1,1,3,3,3-Hexafluoro-2-propanol
CAS RN
920-66-1
Appearance
Colorless Transparent Liquid
Purity
98% GC
1-(cyclopropylcarbonyl)-Monohydrochloride
CAS RN
1021298-67-8
Appearance
Off white to white powder
Purity
98% T
1-Boc-2-piperidinecarbaldehyde
CAS RN
157634-02-1
Appearance
Light yellow viscous liquid or solid
Purity
95% HPLC
1-N-ethoxycarbonyl-3-pyrrolidone
CAS RN
14891-10-2
Appearance
Pale yellow to colorless transparent 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%
11-Maleimidoundecanoic Acid Sulfo-N-Succinimidyl Ester
CAS RN
211236-68-9
Appearance
White to off white solid
Purity
>95% H-NMR
CAS RN
961-38-6
Appearance
White solid powder
Purity
98%HPLC
2-Thiazolecarboxamidine Hydrochloride
CAS RN
247037-82-7
Appearance
Off white to white solid powder
Purity
>99% HPLC
2-[2-(2-AZIDOETHOXY)ETHOXY]ETHANOL
CAS RN
86520-52-7
Appearance
Colorless to light yellow transparent liquid
Purity
≥98% GC
4-Aminopyrazolo[3,4-d]pyrimidine
CAS RN
2380-63-4
Appearance
Light yellow to yellow or light brown powder
Purity
≥98% HPLC
6-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)hexanehydrazide...
CAS RN
175290-73-0
Appearance
White powder
Purity
98% HPLC
Ethyl (hydroxyimino)cyanoacetate potassium salt
CAS RN
158014-03-0
Appearance
Yellow powdery solid
Purity
98.6% HPLC
Methyl 4-(diethylcarbamoyl)benzoate
CAS RN
122357-96-4
Appearance
Pale yellow transparent liquid
Purity
98% HPLC
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
CAS RN
1452-77-3
Appearance
White crystalline powder
Purity
>98% HPLC
Succinimidyl-[4-(N-maleimidomethyl)]-cyclohexane-1-carboxy-(...
CAS RN
125559-00-4
Appearance
White solid
Purity
>95%
1-Boc-piperidine-2-carboxamide
CAS RN
388077-74-5
Appearance
White or almost white crystalline powder
Purity
97% GC
1-BUTYL-3-METHYLIMIDAZOLIUM DICYANAMIDE
CAS RN
448245-52-1
Appearance
Off white to yellowish liquid
Purity
97% NMR
2-(carbamoylmethylamino)ethanesulfonic acid
CAS RN
7365-82-4
Appearance
White to off white powder
Purity
>97.0%
2-Aminothiazole-4-carboxylic Acid Ethyl Ester
CAS RN
5398-36-7
Appearance
Pale yellow to off white powder
Purity
98%HPLC
4-Hydroxybenzamidine hydrochloride
CAS RN
38148-63-9
Appearance
White to off white powder
Purity
99%HPLC
4-Methylbenzene-1-carboximidamide hydrochloride
CAS RN
6326-27-8
Appearance
White powder
Purity
98% HPLC
5-Hydroxypentanoic Acid SodiuM Salt
CAS RN
37435-69-1
Appearance
White solid
Purity
>97% HNMR
CAS RN
610-93-5
Appearance
Pale yellow crystalline powder
Purity
97% HPLC
Ethyl 2-[(diphenylmethylene)amino]-2-ethylbutanoate
CAS RN
189631-94-5
Appearance
Purity
L-Alanine isopropyl ester hydrochloride
CAS RN
62062-65-1
Appearance
Off white to white crystalline powder
Purity
98%AT
Methyl Pentafluorophenyl Carbonate
CAS RN
36919-03-6
Appearance
White crystalline solid or colorless liquid
Purity
98%HPLC
CAS RN
43036-06-2
Appearance
Yellow to dark brown liquid
Purity
98%GC
CAS RN
75178-96-0
Appearance
White solid or colorless liquid
Purity
97% GC
CAS RN
51354-15-5
Appearance
Colorless Transparent Liquid
Purity
>98.0% GC
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
tert-butyl methyl(2-oxopropyl)carbamate
CAS RN
532410-39-2
Appearance
Colorless Transparent Liquid
Purity
97.8% GC
(3aR,4S,7R,7aS) 4,7-Methano-1H-isoindole-1,3(2H)-dione
CAS RN
14805-29-9
Appearance
Purity
≥98%
1,3-Di-boc-2-(trifluoromethylsulfonyl)guanidine
CAS RN
207857-15-6
Appearance
White powder
Purity
>95% HPLC
1-(Cyclohexylcarbonyl)piperazine
CAS RN
27561-62-2
Appearance
White powder
Purity
≥97%GC
1-Boc-4-[methoxy(methyl)carbamoyl]piperidine
CAS RN
139290-70-3
Appearance
White solid
Purity
98.7% HPLC
CAS RN
108-75-8
Appearance
Colorless to yellowish transparent liquid
Purity
>98%(GC)
CAS RN
2916-68-9
Appearance
Colorless to yellowish liquid
Purity
97% GC
CAS RN
109-85-3
Appearance
Pale yellow to colorless transparent liquid
Purity
98.0%(GC)
4-Aminobenzamidine dihydrochloride
CAS RN
2498-50-2
Appearance
White powder
Purity
98%HPLC
4-hydroxymethyl-3-methoxyphenylacetic acid
CAS RN
83590-77-6
Appearance
Off white to white powder
Purity
98% HPLC
4-Nitrobenzamidine, hydrochloride
CAS RN
15723-90-7
Appearance
Pale yellow crystalline powder
Purity
98%HPLC
CAS RN
133975-85-6
Appearance
Colorless viscous liquid
Purity
>98%
methyl 4-piperidinecarboxylate
CAS RN
2971-79-1
Appearance
Pale yellow liquid
Purity
98% GC
N,N'-Bis(tert-butoxycarbonyl)guanidine
CAS RN
154476-57-0
Appearance
White powder
Purity
98% HPLC
N-Boc-PTE Methyl n-boc-2-(dimethylphosphono)glycinate
CAS RN
89524-98-1
Appearance
White powder
Purity
97% HPLC
N-[Tris(hydroxymethyl)methyl]acrylamide
CAS RN
13880-05-2
Appearance
White crystal
Purity
>98% HPLC
O-Acetyl-N-tert-butylhydroxylamine Hydrochloride
CAS RN
851074-40-3
Appearance
White crystalline powder
Purity
98%-103%(T); 97% HPLC
CAS RN
871-70-5
Appearance
White to off-white 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
7154-73-6
Appearance
Transparent colorless liquid
Purity
>97% T
1-(6-Aminohexyl)-1H-pyrrole-2,5-dione 2,2,2-trifluoroacetate
CAS RN
731862-92-3
Appearance
White solid
Purity
99,70%
1-(cyanoMethyl)pyrrolidinium trifluoroMethanesulfonate
CAS RN
573987-48-1
Appearance
White to off-white powder
Purity
≥98%
CAS RN
40114-49-6
Appearance
Pale yellow transparent liquid
Purity
99% GC
CAS RN
5415-94-1
Appearance
White solid powder
Purity
97% HNMR
4-Chloro-3-pyridinesulfonamide
CAS RN
33263-43-3
Appearance
Light yellow or yellow solid
Purity
>97.0% HPLC
4-nitrophenyl dimethylcarbamate
CAS RN
7244-70-4
Appearance
Off white to light yellow 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
CAS RN
3240-34-4
Appearance
Off white to white powder
Purity
99% HPLC
Methyl piperidine-2-carboxylate
CAS RN
41994-45-0
Appearance
Colorless to yellowish liquid
Purity
98% GC
N-Boc-1h-pyrazole-1-carboxamidine
CAS RN
152120-61-1
Appearance
White crystal
Purity
98% HPLC
N-tert-butoxycarbonyl-2-amino-2-methyl-1-propanol
CAS RN
102520-97-8
Appearance
crystal
Purity
98% GC
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