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6770-81-6

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6770-81-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6770-81-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,7,7 and 0 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 6770-81:
(6*6)+(5*7)+(4*7)+(3*0)+(2*8)+(1*1)=116
116 % 10 = 6
So 6770-81-6 is a valid CAS Registry Number.

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