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%
2-[2-(2-Aminoethoxy)ethoxy]ethanol
CAS RN
6338-55-2
Appearance
Colorless to pale yellow transparent liquid
Purity
≥98.0% GC
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%
(S)-tert-butyl (1-cyano-2-(4-iodophenyl)ethyl)carbamate
CAS RN
1159489-37-8
Appearance
White to pale yellow powder
Purity
≥98.0%
1H-Benzotriazole-5-carboxylic acid
CAS RN
60932-58-3
Appearance
Pale pink to pinkish-red 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
1000806-59-6
Appearance
Colorless to pale yellow viscous liquid
Purity
≥98.0%
Boc-NH-PEG3;Boc-1-amino-3,6-dioxa-8-octanediamine(Colorless)
CAS RN
153086-78-3
Appearance
Colorless transparent liquid
Purity
≥98.0%
CAS RN
3589-41-1
Appearance
White to off-white crystalline powder
Purity
≥98.0%
(2-Chloro-ethyl)-methyl-carbamic acid tert-butyl ester
CAS RN
220074-38-4
Appearance
Colorless to nearly colorless transparent 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)
2-(2-chloro-5-nitrophenyl)pyridine
CAS RN
879088-40-1
Appearance
Pale yellow to yellow solid
Purity
≥98.0%
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%
CAS RN
874-86-2
Appearance
White acicular crystal
Purity
98%HPLC
Phenolphthalein monophosphate dicyclohexylammonium salt
CAS RN
14815-59-9
Appearance
Purity
≥95%
4-Methylbenzene-1-carboximidamide hydrochloride
CAS RN
6326-27-8
Appearance
White powder
Purity
98% HPLC
CAS RN
328086-60-8
Appearance
Off white to white solid powder
Purity
>98.5% HPLC
Methyl 2,5-dioxo-2H-pyrrole-1(5H)-carboxylate
CAS RN
55750-48-6
Appearance
Off white to white crystalline powder
Purity
≥98%HPLC
CAS RN
24566-79-8
Appearance
White to off white solid
Purity
≥98% GC
(2S)-2-(Methoxycarbonyl)pyrrolidin-1-ium chloride
CAS RN
2133-40-6
Appearance
White to off white microcrystalline powder
Purity
≥98%
CAS RN
929-59-9
Appearance
Pale yellow clear liquid
Purity
>97% T
4-(Dimethyl-tert-Butylsilyloxy)butan-1-ol
CAS RN
87184-99-4
Appearance
Colorless to yellowish liquid
Purity
≥98%GC
4-Phenylbenzamidine hydrochloride
CAS RN
111082-23-6
Appearance
Off white to white 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
CAS RN
1866-15-5
Appearance
Off white to white crystalline powder
Purity
98%AT
CAS RN
54247-27-7
Appearance
Colorless to light yellow transparent liquid
Purity
≥98% GC
Boc-S S-Boc-2-mercapto-4,6-dimethylpyrimidine
CAS RN
41840-28-2
Appearance
White powder
Purity
99% HPLC
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
FMPN N,N-Bis(2-Cyanoethyl)Formamide
CAS RN
3445-84-9
Appearance
Pale yellow to colorless transparent liquid
Purity
90%HNMR
CAS RN
3473-63-0
Appearance
White to almost white crystal
Purity
≥99.0% T
L-Alanine isopropyl ester hydrochloride
CAS RN
62062-65-1
Appearance
Off white to white crystalline powder
Purity
98%AT
Methyl 2-(triphenylphosphoranylidene)acetate
CAS RN
2605-67-6
Appearance
White to off white solid
Purity
≥98 %
MSAT O-(2-Mesitylenesulfonyl)acethydroxamic acid ethyl ester
CAS RN
38202-27-6
Appearance
Off white to white powder
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
170384-29-9
Appearance
Off-white to white crystalline powder
Purity
≥98.0% GC
Pyridine-2-carboximidamide hydrochloride
CAS RN
51285-26-8
Appearance
Off white to white solid powder
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
[(TERT-BUTOXY)CARBONYL]AMINO 2,2-DIMETHYLPROPANOATE
CAS RN
35657-40-0
Appearance
White solid
Purity
>98% HNMR
(R)-N-Cbz-piperidine-3-carboxylic acid
CAS RN
78190-11-1
Appearance
White to almost white crystalline powder
Purity
98% HPLC
2-Bromo-5-fluoropyridine 1-oxide
CAS RN
935534-39-7
Appearance
Light yellow to almost white solid
Purity
≥98.0%
Cyclohexylmethyl N-tosyloxycarbamate
CAS RN
869111-41-1
Appearance
White to off white solid
Purity
≥ 95%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
Succinimidyl-[4-(N-maleimidomethyl)]-cyclohexane-1-carboxy-(...
CAS RN
125559-00-4
Appearance
White solid
Purity
>95%
TERT-BUTYL 2,4-DIOXOPIPERIDINE-1-CARBOXYLATE
CAS RN
845267-78-9
Appearance
White to light yellow crystalline powder
Purity
≥98%
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%
3-(2-pyridyldithio)propionic acid n-hydroxy-succinimide...
CAS RN
68181-179
Appearance
Off white to white solid 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
4,6-Diisopropylpyrimidin-5-amine
CAS RN
2168417-89-6
Appearance
Off white to yellowish solid powder
Purity
98% 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-AMIDINOPYRIDINE HYDROCHLORIDEPYRIDINE-4-CARBOXIMIDAMIDE...
CAS RN
6345-27-3
Appearance
White crystalline powder
Purity
>97% T
4-Fluorobenzamidine hydrochloride
CAS RN
456-14-4
Appearance
White to almost white crystalline 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
5-methoxy-2,3,3-trimethylindoline
CAS RN
41382-23-4
Appearance
Yellow liquid
Purity
99,00%
CAS RN
610-93-5
Appearance
Pale yellow crystalline powder
Purity
97% HPLC
Benzyl N-(hydrazinylmethylidene)carbamate
CAS RN
16706-54-0
Appearance
White crystalline powder
Purity
>98%HPLC
Benzylhydroxylamine hydrochloride
CAS RN
2687-43-6
Appearance
Off white to white solid
Purity
98%HPLC
Chloroformamidine hydrochloride
CAS RN
29671-92-9
Appearance
White crystalline powder
Purity
98%AT
CHLOROGLYOXYLIC ACID METHYL ESTER
CAS RN
5781-53-3
Appearance
Pale yellow transparent liquid
Purity
>97% T
Dimethyl 1,3-dihydro-3-oxoisobenzofuran-1-yl-1-phosphonate
CAS RN
61260-15-9
Appearance
White crystal or powder
Purity
98%HPLC
Ethyl 1-benzylpiperidine-4-carboxylate
CAS RN
24228-40-8
Appearance
Colorless to light yellow liquid
Purity
98% HPLC
CAS RN
30727-18-5
Appearance
Light yellow liquid
Purity
98% HPLC
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
CAS RN
26218-78-0
Appearance
White to off white solid
Purity
97%HPLC
N,N'-bis(trimethylsilyl)methanediimine
CAS RN
1000-70-0
Appearance
Colorless to yellowish transparent liquid
Purity
98% GC
N-(4-Cyanophenyl)guanidine hydrochloride
CAS RN
373690-68-7
Appearance
White crystal
Purity
98%HPLC
N-(tert-butoxycarbonylamino)phthalimide
CAS RN
34387-89-8
Appearance
Pale yellow to white solid powder
Purity
98% HPLC
CAS RN
75178-96-0
Appearance
White solid or colorless liquid
Purity
97% GC
CAS RN
68076-36-8
Appearance
Colorless to yellowish 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
CAS RN
4144-22-3
Appearance
Pale yellow to 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%
CAS RN
2398-81-4
Appearance
White to almost white or light yellow powder
Purity
≥98% HPLC
O-diphenylphosphinylhydroxylamine
CAS RN
72804-96-7
Appearance
White powder
Purity
90% HPLC
CAS RN
4792-15-8
Appearance
Pale yellow to colorless transparent liquid
Purity
≥98%
Tert-Butyl (2-hydroxyethyl)(methyl)carbamate
CAS RN
57561-39-4
Appearance
colorless liquid
Purity
99% GC
(Trifluoroacetyl)benzotriazole (1H,2H-isomer mixture)
CAS RN
183266-61-7
Appearance
Off white solid
Purity
99,90%
1,1'-(Azodicarbonyl)-dipiperidine
CAS RN
10465-81-3
Appearance
Pale yellow to yellow solid
Purity
98% HPLC
1-Boc-4-(2-chloroethyl)piperazine
CAS RN
208167-83-3
Appearance
White crystalline solid
Purity
>98% GC, HNMR
1-Chloroethyl (4-nitrophenyl) carbonate
CAS RN
101623-69-2
Appearance
Off white powder
Purity
99% 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-(T-butyldimethylsiloxy)ethanol
CAS RN
102229-10-7
Appearance
Colorless to yellowish liquid
Purity
97%GC
2N Di-tert butyl dicarbonate in tetrahydrofuran
CAS RN
24424-99-5
Appearance
Colorless Transparent Liquid
Purity
2mol/L
4-cyclohexyl-piperazine-1-carboxylic acid tert-butyl ester
CAS RN
1224935-95-8
Appearance
White powder
Purity
97% HPLC
6,7-Dimethoxy-3,4-dihydroquinazoline-4-one
CAS RN
13794-72-4
Appearance
Off white to white solid 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
CAS RN
87-42-3
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%
Boc-1,3-diaminopropane hydrochloride
CAS RN
127346-48-9
Appearance
White crystalline powder
Purity
98 %-103%(AT)
DCAD Bis(4-chlorobenzyl) azodicarboxylate
CAS RN
916320-82-6
Appearance
Orange solid
Purity
≥98.0%HPLC
CAS RN
98968-72-0
Appearance
White to yellowish powder
Purity
98% GC
N-Cbz-PTE (±)-Benzyloxycarbonyl-alpha-phosphonoglycine...
CAS RN
88568-95-0
Appearance
White to off white solid
Purity
98% HPLC
N-tert-butoxycarbonyl-(methylamino)acetaldehyde
CAS RN
123387-72-4
Appearance
Pale yellow to colorless transparent liquid
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
40499-83-0
Appearance
Pale yellow transparent liquid or off-white solid
Purity
98% HPLC
1-Propanaminium-3-[(ethylcarbonimidoyl)amio]-N,N,N-trimethyl...
CAS RN
6179-57-3
Appearance
White to off-white powder
Purity
≥98.0%
TPTZ 2,4,6-Tri(2-pyridyl)-1,3,5-triazine
CAS RN
3682-35-7
Appearance
Pale yellow powder
Purity
99% HPLC
CAS RN
41239-10-5
Appearance
Colorless to light yellow liquid
Purity
≥97.0%
CAS RN
617-37-8
Appearance
colorless liquid
Purity
>95.0% H-NMR
1-(Diphenylmethyl)-3-azetidinyl methanesulfonate
CAS RN
33301-41-6
Appearance
White solid
Purity
>98% HPLC
1-Ethyl-1-methylpyrrolidinium bromide
CAS RN
69227-51-6
Appearance
Pale yellow solid powder
Purity
>97.0%(T)
2-Bromo-1H-isoindole-1,3(2H)-dione
CAS RN
5332-26-3
Appearance
Off white to white solid
Purity
98% HPLC
2-Bromobenzamidine hydrochloride
CAS RN
57075-82-8
Appearance
White 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
CAS RN
5415-94-1
Appearance
White solid powder
Purity
97% HNMR
2-Methoxyphenylhydrazine hydrochloride
CAS RN
57396-67-5
Appearance
Off white to pink powder
Purity
≥98.0% HPLC
3-Amino-3-iminopropanoic acid ethyl ester hydrochloride
CAS RN
57508-48-2
Appearance
Off white to white solid powder
Purity
>97%
3-Amino-4-pyrazolecarbonitrile
CAS RN
16617-46-2
Appearance
White to almost white or light yellow solid
Purity
≥98% HPLC
3-Trifluoromethylbenzamidine hydrochloride
CAS RN
62980-03-4
Appearance
White powder
Purity
98%HPLC
CAS RN
2645-22-9
Appearance
Off white to yellow solid
Purity
98%HPLC
4,5,6,7-tetrahydro-1H-benzoimidazole
CAS RN
3752-24-7
Appearance
Off white to white solid powder
Purity
>98% HPLC
CAS RN
2148-57-4
Appearance
Off white to white solid powder
Purity
>98% HPLC
4-(Dimethoxy-phosphorylmethyl)-benzoic acid methyl ester
CAS RN
78022-19-2
Appearance
Pale yellow to colorless transparent liquid
Purity
>97% T
4-(Trifluoromethyl)benzimidamidehydrochloride
CAS RN
38980-96-0
Appearance
White solid
Purity
>98%
CAS RN
15115-60-3
Appearance
White to off white solid
Purity
≥ 98%HPLC
5-Bromo-2,3-dihydroisoindol-1-one
CAS RN
552330-86-6
Appearance
Quasi white floc
Purity
99% HPLC
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
CAS RN
1670-14-0
Appearance
White crystalline powder
Purity
≥98.0% 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
Ethyl 2-[(diphenylmethylene)amino]-2-ethylbutanoate
CAS RN
189631-94-5
Appearance
Purity
CAS RN
5617-32-3
Appearance
Colorless to light yellow liquid
Purity
≥98.0%
CAS RN
185456-26-2
Appearance
White to off white solid
Purity
CAS RN
3182-95-4
Appearance
White to bright yellow powder
Purity
99.3% HPLC
Methyl 1-Boc-piperidine-2-carboxylate
CAS RN
167423-93-0
Appearance
Light yellow liquid
Purity
98% GC
CAS RN
53386-64-4
Appearance
Pale yellow to colorless transparent liquid
Purity
98% GC
methyl 2-aminopent-4-enoate hydrogen chloride
CAS RN
115289-55-9
Appearance
Yellow viscous liquid
Purity
>97%
Methyl 4-(chlorocarbonyl)butanoate
CAS RN
1501-26-4
Appearance
Yellow liquid
Purity
98%GC
Methyl triethyl ammonium tetrafluoroborate
CAS RN
69444-47-9
Appearance
White blocky solid
Purity
97% HNMR
METHYLBENZIMIDATE HYDROCHLORIDE
CAS RN
5873-90-5
Appearance
White solid
Purity
Titration content 101.5%
Myristic acid N-hydroxysuccinimide ester
CAS RN
69888-86-4
Appearance
Off white to white crystals
Purity
99% HPLC
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