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Sildenafil intermediate B

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Formula: C17H20N4O2
CAS: 139756-21-1
search Element: intermediate sildenafil
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Identification

Structural Formula
Sildenafil intermediate B
CAS:
139756-21-1
EINECS:
Molecular Formula:
C17H20N4O2
MDL:
MFCD03093929
Synonym:
5-(2-ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7h-pyrazolo[4,3-d]-7-pyrimidinone ; 5-(2-ethoxyphenyl)-1-me-3-n-propyl-1,6-dihydro-7h-pyrazolo(4,3d)-7-pyrimidin ; 5-(2-ethoxyphenyl)-1-methyl-3-propyl-1h-pyrazolo[4,3-d]pyrimidin-7(6h)-one ; uk 088800 ; sildenafil lactam impurity ; 5-(2-ethoxyphenyl)-1-methyl-3-propyl-6h-pyrazolo[4,3-d]pyrimidin-7-one ; 5-(2-ethoxyphenyl)-1-methyl-3-propyl-1,4-dihydro-7h-pyrazolo[4,3-d]pyrimidin-7-one ; 5-(2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7h-pyrazolo[4,3-d]pyrimidin-7-one ; 7h-pyrazolo[4,3-d]pyrimidin-7-one,5-(2-ethoxyphenyl)-1,4-dihydro-1-methyl-3-propyl- ; 5-(2-ethoxyphenyl)-1-methyl-3-n-propyl-1




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Hangzhou Cherry Pharmaceutical Technology Co., Ltd.
HCPT382519125
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CAS equal suppliers

Sildenafil Lactam Impurity
Pharmaffiliates Analytics & Synthetics Pvt. Limited
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5-(2-Ethoxyphenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one
Hangzhou MolCore BioPharmatech Co.,Ltd.
CS10133
5-(2-Ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]-7-pyrimidinone
TCI Chemicals (India) Pvt. Ltd.
E1134
5-(2-Ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3d]pyrimidin-7-one
Santa Cruz Biotechnology, Inc.
SCB2490099600
5-(2-Ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3d]pyrimidin-7-one
Xingrui Industry Co., Limited
XIL2407096280
5-(2-Ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3d]pyrimidin-7-one
H&Z Industry Co.,Ltd
HIC1660066400
5-(2-Ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3d]pyrimidin-7-one
AK Scientific, Inc.
AS1577047310
5-(2-Ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3d]pyrimidin-7-one
Gihi Chemicals Co., Limited
GCL2241089640
5-(2-Ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3d]pyrimidin-7-one
Autech Industry Co.,Limited
AIC2241089640
5-(2-Ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3d]pyrimidin-7-one
Dayang Chem (Hangzhou) Co.,Ltd.
DC25730102920
5-(2-Ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3d]pyrimidin-7-one
BLD Pharmatech Ltd
BP1494044820
5-(2-Ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3d]pyrimidin-7-one
Chemlyte Solutions
CS1494044820
5-(2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7h-pyrazolo[4,3-d]-7-pyrimidinone
ShangHai Biochempartner Co., Ltd.
BCP16444
5-(2-Ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
Santa Cruz Biotechnology, Inc.
206964
5-(2-Ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
Leap Chem Co., Ltd
LC1512045360

Prices & Availability




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Properties for Sildenafil intermediate B

Molecular Weight:
312.37 g·mol−1
Melting point:
141-145 °C(lit.)
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Safety & Transport Information

Risk Codes:
R36/37/38 - Irritating to eyes, respiratory system and skin
Safety Codes:
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S36 - Wear suitable protective clothing
Hazard Symbols:
Xi
Hazard symbol Xi
Storage temperature :
Refrigerator
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Alternative Distributors of [Sildenafil intermediate B]

Producers or manufacturers change the product range from time to time. Currently there are no other manufacturers known.
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