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3,3-diphenyl-3H-pyrazolo<6,7-c>-1,3λ4δ2,5,2,4-trithiadiazepine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

131980-57-9

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131980-57-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131980-57-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,9,8 and 0 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 131980-57:
(8*1)+(7*3)+(6*1)+(5*9)+(4*8)+(3*0)+(2*5)+(1*7)=129
129 % 10 = 9
So 131980-57-9 is a valid CAS Registry Number.

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