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70658-70-7

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70658-70-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 70658-70-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,6,5 and 8 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 70658-70:
(7*7)+(6*0)+(5*6)+(4*5)+(3*8)+(2*7)+(1*0)=137
137 % 10 = 7
So 70658-70-7 is a valid CAS Registry Number.

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