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dilithium di(phenylethynyl)cyanocuprate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

138583-91-2

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138583-91-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138583-91-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,5,8 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 138583-91:
(8*1)+(7*3)+(6*8)+(5*5)+(4*8)+(3*3)+(2*9)+(1*1)=162
162 % 10 = 2
So 138583-91-2 is a valid CAS Registry Number.

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