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158000-93-2

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158000-93-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 158000-93-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,0,0 and 0 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 158000-93:
(8*1)+(7*5)+(6*8)+(5*0)+(4*0)+(3*0)+(2*9)+(1*3)=112
112 % 10 = 2
So 158000-93-2 is a valid CAS Registry Number.

158000-93-2Upstream product

158000-93-2Downstream Products

158000-93-2Relevant articles and documents

AMINO-HETEROCYCLIC COMPOUNDS

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Page/Page column 23, (2009/02/11)

The invention provides PDE9-inhibiting compounds of Formula (I), and pharmaceutically acceptable salts thereof, wherein R, R1, R2 and R3 are as defined herein. Pharmaceutical compositions containing the compounds of Formul

6-heterocyclyl pyrazolo [3,4-d]pyrimidin-4-ones and compositions and method of use thereof

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, (2008/06/13)

Novel 6-heterocyclyl-pyrazolo[3,4-d]pyrimidin-4-ones, useful in treating cardiovascular disease, are prepared by reacting a 5-amino-1H-pyrazole-4-carboxamide with heterocyclylcarboxaldehyde or by reacting a 5-amino-1H-pyrazole-4-carbonitrile with a heterocyclylcarboxamidine, followed by diazotization and hydrolysis of the resulting 4-amino-6-heterocyclyl-pyrazolo[3,4-d]pyrimidine.

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