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5-Phenyl-4H-pyrazolo[1,5-a]pyrimidine-7-thione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

77493-98-2

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77493-98-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77493-98-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,4,9 and 3 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 77493-98:
(7*7)+(6*7)+(5*4)+(4*9)+(3*3)+(2*9)+(1*8)=182
182 % 10 = 2
So 77493-98-2 is a valid CAS Registry Number.

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