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158000-68-1

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158000-68-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 158000-68-1 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, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 158000-68:
(8*1)+(7*5)+(6*8)+(5*0)+(4*0)+(3*0)+(2*6)+(1*8)=111
111 % 10 = 1
So 158000-68-1 is a valid CAS Registry Number.

158000-68-1Upstream product

158000-68-1Downstream Products

158000-68-1Relevant articles and documents

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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