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143547-77-7

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143547-77-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143547-77-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,5,4 and 7 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 143547-77:
(8*1)+(7*4)+(6*3)+(5*5)+(4*4)+(3*7)+(2*7)+(1*7)=137
137 % 10 = 7
So 143547-77-7 is a valid CAS Registry Number.

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