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778536-69-9

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778536-69-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 778536-69-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,8,5,3 and 6 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 778536-69:
(8*7)+(7*7)+(6*8)+(5*5)+(4*3)+(3*6)+(2*6)+(1*9)=229
229 % 10 = 9
So 778536-69-9 is a valid CAS Registry Number.

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