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4H-Pyrazolo[3,4-d]pyrimidin-4-one,1,5-dihydro-1,6-dimethyl-
Cas No: 57121-52-5
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Dayang Chem (Hangzhou) Co.,Ltd.
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57121-52-5
Cas No: 57121-52-5
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Henan Tianfu Chemical Co., Ltd.
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4H-Pyrazolo[3,4-d]pyrimidin-4-one,1,5-dihydro-1,6-dimethyl- cas 57121-52-5
Cas No: 57121-52-5
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Hangzhou Fandachem Co.,Ltd
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57121-52-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57121-52-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,1,2 and 1 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 57121-52:
(7*5)+(6*7)+(5*1)+(4*2)+(3*1)+(2*5)+(1*2)=105
105 % 10 = 5
So 57121-52-5 is a valid CAS Registry Number.

InChI:InChI=1/C7H8N4O/c1-4-9-6-5(7(12)10-4)3-8-11(6)2/h3,8H,1-2H3

57121-52-5SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name	1,6-dimethyl-2H-pyrazolo[3,4-d]pyrimidin-4-one

1.2 Other means of identification

Product number	-
Other names	1,6-dimethyl-1,5-dihydro-pyrazolo[3,4-d]pyrimidin-4-one

1.3 Recommended use of the chemical and restrictions on use

Identified uses	For industry use only.
Uses advised against	no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number	-
Service hours	Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:57121-52-5 SDS

57121-52-5Upstream product

57121-52-5Downstream Products

98550-75-5 4-chloro-1,6-dimethyl-1H-pyrazolo[3,4-d]pyrimidine

57121-52-5Relevant articles and documents

SUBSTITUTED PYRAZOLO/IMIDAZOLO BICYCLIC COMPOUNDS AS PDE2 INHIBITORS

-

Page/Page column 42; 43, (2017/01/09)

The present invention is directed to pyrimidine carboxamide compounds of formula I which are useful as therapeutic agents for the treatment of central nervous system disorders associated with phosphodiesterase 2 (PDE2). The present invention also relates

STUDIES ON PYRAZOLOPYRIMIDINE DERIVATIVES. XVIII. FACILE PREPARATION OF 1H-PYRAZOLOPYRIMIDIN-4(5H)-ONES

Miyashita, Akira,Iijima, Chihoko,Higashino, Takeo,Matsuda, Hideaki

, p. 1309 - 1314 (2007/10/02)

Reaction of 5-amino-1-phenyl-1H-pyrazole-4-carboxamide (4) with the esters (3a-h) in the presence of sodium ethoxide in ethanol gave 1-phenyl-1H-pyrazolopyrimidin-4(5H)-one (1a) and its 6-substituted derivatives (1b-h).Similar treatment of 5-amino-1-methyl-1H-pyrazole-4-carboxamide (5) with 3a-h gave the 1-methyl-1H-pyrazolopyrimidin-4(5H)-ones (2a-h).

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57121-52-5