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1,2-O-(1-ethylthioethylidene)-α-D-glucopyranose is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

669775-77-3

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669775-77-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 669775-77-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,9,7,7 and 5 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 669775-77:
(8*6)+(7*6)+(6*9)+(5*7)+(4*7)+(3*5)+(2*7)+(1*7)=243
243 % 10 = 3
So 669775-77-3 is a valid CAS Registry Number.

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