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77533-77-8

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77533-77-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77533-77-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,5,3 and 3 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 77533-77:
(7*7)+(6*7)+(5*5)+(4*3)+(3*3)+(2*7)+(1*7)=158
158 % 10 = 8
So 77533-77-8 is a valid CAS Registry Number.

77533-77-8Upstream product

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