薬物分子の活性構造を変化させる一部のフラグメントを、機械部品と同様に薬物分子の骨格に組み込むことで、薬物の活性を向上させ、副作用を軽減することができます。
CAS RN
598-42-5
Appearance
White to off-white or pale yellow powder
Purity
N-Benzyl-N-(methoxymethyl)trimethylsilylmethylamine
CAS RN
93102-05-7
Appearance
Colorless to yellow liquid
Purity
≥80.0%
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
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
tert-Butyl (Mesitylsulfonyl) oxycarbaMate
CAS RN
36016-39-4
Appearance
White to off-white powder
Purity
≥98.0%
N-(Diphenylmethylene)-glycine 1-methylethyl ester
CAS RN
119244-11-0
Appearance
White to off-white powder
Purity
≥99.0%
CAS RN
3378-72-1
Appearance
Colorless to pale yellow or orange transparent liquid
Purity
≥98.0%
1-tert-Butyl-3-ethylcarbodiiMide
CAS RN
1433-27-8
Appearance
Light yellow to colorless transparent liquid
Purity
≥98.0%
Benzyl 1-methylhydrazinecarboxylate
CAS RN
37519-04-3
Appearance
Colorless to pale yellow transparent liquid
Purity
≥97.0%
Boc-NH-PEG3;Boc-1-amino-3,6-dioxa-8-octanediamine(Colorless)
CAS RN
153086-78-3
Appearance
Colorless transparent liquid
Purity
≥98.0%
2-[2-(2-Aminoethoxy)ethoxy]ethanol
CAS RN
6338-55-2
Appearance
Colorless to pale yellow transparent liquid
Purity
≥98.0% GC
(2-Chloro-ethyl)-methyl-carbamic acid tert-butyl ester
CAS RN
220074-38-4
Appearance
Colorless to nearly colorless transparent liquid
Purity
≥98.0%
CAS RN
3589-41-1
Appearance
White to off-white crystalline powder
Purity
≥98.0%
(S)-tert-butyl (1-cyano-2-(4-iodophenyl)ethyl)carbamate
CAS RN
1159489-37-8
Appearance
White to pale yellow powder
Purity
≥98.0%
CAS RN
1000806-59-6
Appearance
Colorless to pale yellow viscous liquid
Purity
≥98.0%
(Trimethylsilyl)methanamine hydrochloride
CAS RN
18166-01-3
Appearance
White to off-white crystalline powder
Purity
98.0~102.0% (T)
1H-Benzotriazole-5-carboxylic acid
CAS RN
60932-58-3
Appearance
Pale pink to pinkish-red powder
Purity
≥98.0%
2-(2-chloro-5-nitrophenyl)pyridine
CAS RN
879088-40-1
Appearance
Pale yellow to yellow solid
Purity
≥98.0%
Glycine tert butyl ester hydrochloride
CAS RN
27532-96-3
Appearance
White crystalline powder
Purity
98.0%~102.0% (AgNO₃)
2-(1-Hydroxy-3-methylbutylidene)-5,5-dimethyl-1,3-cyclohexan...
CAS RN
172611-72-2
Appearance
Colorless to pale yellow or orange transparent liquid
Purity
≥98.0%
1-Propanaminium-3-[(ethylcarbonimidoyl)amio]-N,N,N-trimethyl...
CAS RN
6179-57-3
Appearance
White to off-white powder
Purity
≥98.0%
N-Benzyl-N-(methoxymethyl)trimethylsilylmethylamine
CAS RN
93102-05-7
Appearance
Colorless to yellow liquid
Purity
≥95.0%
CAS RN
69491-64-1
Appearance
White to off-white powder
Purity
≥98.0%
3-Trifluoromethylbenzamidine hydrochloride
CAS RN
62980-03-4
Appearance
White powder
Purity
98%HPLC
4-Methoxybenzamidine hydrochloride
CAS RN
51721-68-7
Appearance
White powder
Purity
99%HPLC
4-Methylbenzene-1-carboximidamide hydrochloride
CAS RN
6326-27-8
Appearance
White powder
Purity
98% HPLC
4-Phenylbenzamidine hydrochloride
CAS RN
111082-23-6
Appearance
Off white to white powder
Purity
98%HPLC
5,6,7,8-Tetrahydroquinazolin-4-ol
CAS RN
19178-19-9
Appearance
Off white to white solid powder
Purity
>98% HPLC
CAS RN
54247-27-7
Appearance
Colorless to light yellow transparent liquid
Purity
≥98% GC
Chloroformamidine hydrochloride
CAS RN
29671-92-9
Appearance
White crystalline powder
Purity
98%AT
Diphenylmethyleniminoacetonitrile
CAS RN
70591-20-7
Appearance
White to yellow crystalline powder
Purity
98%HPLC
CAS RN
10576-12-2
Appearance
White to light green solid or colorless to light green transparent liquid
Purity
97% GC
CAS RN
26218-78-0
Appearance
White to off white solid
Purity
97%HPLC
Methyl triethyl ammonium tetrafluoroborate
CAS RN
69444-47-9
Appearance
White blocky solid
Purity
97% HNMR
CAS RN
24566-79-8
Appearance
White to off white solid
Purity
≥98% GC
CAS RN
170384-29-9
Appearance
Off-white to white crystalline powder
Purity
≥98.0% GC
CAS RN
22509-74-6
Appearance
Off white to white crystalline powder
Purity
97% HPLC
CAS RN
23135-50-4
Appearance
White to off white powder
Purity
>99%
CAS RN
20691-89-8
Appearance
Transparent to yellowish liquid
Purity
97% GC
CAS RN
5117-19-1
Appearance
Pale yellow liquid or white solid
Purity
98% HPLC
CAS RN
4792-15-8
Appearance
Pale yellow to colorless transparent liquid
Purity
≥98%
CAS RN
7450-69-3
Appearance
Off white to white powder
Purity
≥98.0%
Pyrrolidin-3-one hydrochloride
CAS RN
3760-52-9
Appearance
Off white powder
Purity
97% NMR
CAS RN
27988-97-2
Appearance
colorless liquid
Purity
0.45ML
CAS RN
76-83-5
Appearance
Off white to yellowish crystalline powder
Purity
98% HPLC
(Trifluoroacetyl)benzotriazole (1H,2H-isomer mixture)
CAS RN
183266-61-7
Appearance
Off white solid
Purity
99,90%
CAS RN
929-59-9
Appearance
Pale yellow clear liquid
Purity
>97% T
1-(4-nitrophenyl)sulfonylpiperidin-4-one
CAS RN
924869-20-5
Appearance
Pale yellow solid
Purity
>98%(HPLC)
1-Boc-4-(2-chloroethyl)piperazine
CAS RN
208167-83-3
Appearance
White crystalline solid
Purity
>98% GC, HNMR
CAS RN
961-38-6
Appearance
White solid powder
Purity
98%HPLC
2-(3-CHLOROPROPYL)-2,5,5-TRIMETHYL-[1,3]-DIOXANE
CAS RN
88128-57-8
Appearance
Purity
≥98%
2-Bromo-1,3,5-triisopropylbenzene
CAS RN
21524-34-5
Appearance
Colorless to yellowish liquid
Purity
97% GC
4-(Dimethyl-tert-Butylsilyloxy)butan-1-ol
CAS RN
87184-99-4
Appearance
Colorless to yellowish liquid
Purity
≥98%GC
4-cyclohexyl-piperazine-1-carboxylic acid tert-butyl ester
CAS RN
1224935-95-8
Appearance
White powder
Purity
97% HPLC
CAS RN
98968-72-0
Appearance
White to yellowish powder
Purity
98% GC
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
871-70-5
Appearance
White to off-white powder
Purity
≥98% HPLC
CAS RN
1452-77-3
Appearance
White crystalline powder
Purity
>98% HPLC
TERT-BUTYL 2,4-DIOXOPIPERIDINE-1-CARBOXYLATE
CAS RN
845267-78-9
Appearance
White to light yellow crystalline powder
Purity
≥98%
Tetraisopropylazodicarboxamide
CAS RN
155877-06-8
Appearance
Yellow solid
Purity
99%HPLC
Triphenyl(2-pyridylmethyl)phosphonium chloride hydrochloride
CAS RN
99662-46-1
Appearance
Off-white to white powder
Purity
Titration: 102.3%
TPTZ 2,4,6-Tri(2-pyridyl)-1,3,5-triazine
CAS RN
3682-35-7
Appearance
Pale yellow powder
Purity
99% HPLC
1-(Cyclohexylcarbonyl)piperazine
CAS RN
27561-62-2
Appearance
White powder
Purity
≥97%GC
1-(Diphenylmethyl)-3-azetidinyl methanesulfonate
CAS RN
33301-41-6
Appearance
White solid
Purity
>98% HPLC
CAS RN
26690-80-2
Appearance
Colorless Transparent Liquid
Purity
96% GC
CAS RN
2645-22-9
Appearance
Off white to yellow solid
Purity
98%HPLC
CAS RN
623-04-1
Appearance
Pale yellow to almost white crystalline powder
Purity
98% HPLC
4-Fluorobenzamidine hydrochloride
CAS RN
456-14-4
Appearance
White to almost white crystalline powder
Purity
98%HPLC
CAS RN
1866-15-5
Appearance
Off white to white crystalline powder
Purity
98%AT
CAS RN
1670-14-0
Appearance
White crystalline powder
Purity
≥98.0% HPLC
Benzylhydroxylamine hydrochloride
CAS RN
2687-43-6
Appearance
Off white to white solid
Purity
98%HPLC
FMMB 2-Fluoro-N-methoxy-N-methylbenzamide
CAS RN
198967-24-7
Appearance
Colorless Transparent Liquid
Purity
≥98%GC
CAS RN
3473-63-0
Appearance
White to almost white crystal
Purity
≥99.0% T
CAS RN
185456-26-2
Appearance
White to off white solid
Purity
L-Alanine isopropyl ester hydrochloride
CAS RN
62062-65-1
Appearance
Off white to white crystalline powder
Purity
98%AT
Methyl 4-(chlorocarbonyl)butanoate
CAS RN
1501-26-4
Appearance
Yellow liquid
Purity
98%GC
N-(2-Aminoethyl)methacrylamide Hydrochloride
CAS RN
76259-32-0
Appearance
White to off-white powder
Purity
98-102%(T)
N-(4-Cyanophenyl)guanidine hydrochloride
CAS RN
373690-68-7
Appearance
White crystal
Purity
98%HPLC
CAS RN
75178-96-0
Appearance
White solid or colorless liquid
Purity
97% GC
CAS RN
5806-90-6
Appearance
Pale yellow to colorless liquid
Purity
>95%(GC, HNMR)
N-tert-butoxycarbonyl-2-amino-2-methyl-1-propanol
CAS RN
102520-97-8
Appearance
crystal
Purity
98% GC
N-[(Trimethylsilyl)methyl]benzylamine
CAS RN
53215-95-5
Appearance
colorless or light yellow liquid
Purity
≥98.0%
O-diphenylphosphinylhydroxylamine
CAS RN
72804-96-7
Appearance
White powder
Purity
90% HPLC
Pyridine-2-carboximidamide hydrochloride
CAS RN
51285-26-8
Appearance
Off white to white solid 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
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
Tert-butyl 1H-1,2,4-triazole-1-carboxylate
CAS RN
41864-24-8
Appearance
White powder
Purity
97% HNMR
tert-butyl methyl(2-oxopropyl)carbamate
CAS RN
532410-39-2
Appearance
Colorless Transparent Liquid
Purity
97.8% GC
TETRAETHYLENE GLYCOL DI-P-TOSYLATE
CAS RN
37860-51-8
Appearance
Off white to white solid
Purity
97% HPLC
[(TERT-BUTOXY)CARBONYL]AMINO 2,2-DIMETHYLPROPANOATE
CAS RN
35657-40-0
Appearance
White solid
Purity
>98% HNMR
1,3-Bis(tert-butoxycarbonyl)guanidine
CAS RN
154476-57-0
Appearance
Off-white to light yellow solid powder
Purity
98% HPLC
1-(ALLYLOXYCARBONYL-OXY)-1 H-BENZOTRIAZOLE
CAS RN
102423-16-5
Appearance
White solid
Purity
98,40%
1-Boc-4-[methoxy(methyl)carbamoyl]piperidine
CAS RN
139290-70-3
Appearance
White solid
Purity
98.7% HPLC
1-Chloroethyl (4-nitrophenyl) carbonate
CAS RN
101623-69-2
Appearance
Off white powder
Purity
99% HPLC
2,2-DIETHOXYETHYLPHOSPHONIC ACID DIETHYL ESTER
CAS RN
7598-61-0
Appearance
Pale yellow to colorless transparent liquid
Purity
98.0%(GC)
3-Fluorobenzamidine hydrochloride
CAS RN
75207-72-6
Appearance
White powder
Purity
98% HPLC
CAS RN
874-86-2
Appearance
White acicular crystal
Purity
98%HPLC
CAS RN
133975-85-6
Appearance
Colorless viscous liquid
Purity
>98%
6-Chloropyrimidine-2,4-diamine
CAS RN
156-83-2
Appearance
Off white solid powder
Purity
98%
amino-hydroxyimino-acetic acid ethyl ester
CAS RN
1217428-98-2
Appearance
White solid
Purity
>98%
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
Cyclohexylmethyl N-tosyloxycarbamate
CAS RN
869111-41-1
Appearance
White to off white solid
Purity
≥ 95%GC
DCAD Bis(4-chlorobenzyl) azodicarboxylate
CAS RN
916320-82-6
Appearance
Orange solid
Purity
≥98.0%HPLC
Ethyl (hydroxyimino)cyanoacetate potassium salt
CAS RN
158014-03-0
Appearance
Yellow powdery solid
Purity
98.6% HPLC
Ethyl 6-bromo-4-hydroxyquinoline-3-carboxylate
CAS RN
122794-99-4
Appearance
Pale yellow to off white powder
Purity
97% NMR
Methyl 4-(diethylcarbamoyl)benzoate
CAS RN
122357-96-4
Appearance
Pale yellow transparent liquid
Purity
98% HPLC
CAS RN
85908-96-9
Appearance
Colorless to yellowish liquid or white crystal
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
1,4-Benzodioxane-2-carboxylic acid
CAS RN
3663-80-7
Appearance
White to off-white powder
Purity
≥98% GC
1-(Cyanomethyl)piperidinium TetrafluoroborateTetramethyl...
CAS RN
434937-12-9
Appearance
Purity
CAS RN
40114-49-6
Appearance
Pale yellow transparent liquid
Purity
99% GC
CAS RN
697-73-4
Appearance
Pale yellow to colorless liquid or solid
Purity
99%
2-(carbamoylmethylamino)ethanesulfonic acid
CAS RN
7365-82-4
Appearance
White to off white powder
Purity
>97.0%
CAS RN
5415-94-1
Appearance
White solid powder
Purity
97% HNMR
CAS RN
60233-66-1
Appearance
Off white to white solid powder
Purity
>98% HPLC
5-Hydroxypentanoic Acid SodiuM Salt
CAS RN
37435-69-1
Appearance
White solid
Purity
>97% HNMR
5-methoxy-2,3,3-trimethylindoline
CAS RN
41382-23-4
Appearance
Yellow liquid
Purity
99,00%
Ethyl 1-Boc-piperidine-2-carboxylate
CAS RN
362703-48-8
Appearance
Light yellow to yellow viscous liquid
Purity
98% GC
Ethyl N-Cbz-4-Oxopyrrolidine-3-carboxylate
CAS RN
51814-19-8
Appearance
Off white to 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
N,N'-bis(trimethylsilyl)methanediimine
CAS RN
1000-70-0
Appearance
Colorless to yellowish transparent liquid
Purity
98% GC
CAS RN
72648-80-7
Appearance
Light yellow to colorless transparent liquid or light yellow to white solid
Purity
98% GC
CAS RN
68076-36-8
Appearance
Colorless to yellowish liquid
Purity
97% GC
CAS RN
71999-74-1
Appearance
Light yellow to colorless transparent liquid or solid
Purity
≥98% GC
CAS RN
57260-73-8
Appearance
Colorless Transparent Liquid
Purity
98%GC
CAS RN
4144-22-3
Appearance
Pale yellow to colorless transparent liquid
Purity
98.0%(GC)
P-nitrophenylhydrazine hydrochloride
CAS RN
636-99-7
Appearance
Light brown powdery solid
Purity
>98%(HPLC, HNMR)
CAS RN
500-73-2
Appearance
Colorless to light yellow transparent liquid
Purity
≥98% GC
CAS RN
39546-32-2
Appearance
White or almost white crystalline powder
Purity
98% HPLC
CAS RN
3871-20-3
Appearance
Light yellow solid
Purity
≥98% HPLC
N-(Diphenylmethylene)glycine Methyl Ester
CAS RN
81167-39-7
Appearance
Off white to white 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
1,2,3-Tris(tert-butoxycarbonyl)guanidine
CAS RN
216584-22-4
Appearance
Off white to yellowish solid powder
Purity
97% 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-(4-(methylamino)phenyl)ethanone
CAS RN
17687-47-7
Appearance
Pale yellow powder
Purity
97% HPLC
1-Boc-3-cyano-4-oxopyrrolidine
CAS RN
175463-32-8
Appearance
Off-white to white powder
Purity
≥98.0% HPLC
11-Maleimidoundecanoic Acid Sulfo-N-Succinimidyl Ester
CAS RN
211236-68-9
Appearance
White to off white solid
Purity
>95% H-NMR
CAS RN
2353-44-8
Appearance
Blue solid
Purity
HNMR qualified
3-Hydroxypyrrolidine hydrochloride
CAS RN
86070-82-8
Appearance
Off white solid
Purity
≥97%
CAS RN
89102-73-8
Appearance
Pale yellow to colorless transparent liquid
Purity
97% HPLC
CAS RN
16064-24-7
Appearance
Off white to white solid powder
Purity
>98% HPLC
Ethyl 1-Boc-piperidine-3-carboxylate
CAS RN
130250-54-3
Appearance
Light yellow liquid
Purity
98% GC
CAS RN
14273-92-8
Appearance
Colorless Transparent Liquid
Purity
97.4% GC
CAS RN
954-81-4
Appearance
White to off white solid
Purity
≥98% GC
CAS RN
146651-71-0
Appearance
Off white to white solid powder
Purity
>97% HPLC
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