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3,4-Dihydro-6,7-dimethoxy-3,5-dimethyl-1(2H)-naphthalenone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

213971-19-8

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213971-19-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 213971-19-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,9,7 and 1 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 213971-19:
(8*2)+(7*1)+(6*3)+(5*9)+(4*7)+(3*1)+(2*1)+(1*9)=128
128 % 10 = 8
So 213971-19-8 is a valid CAS Registry Number.

213971-19-8Upstream product

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