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1289175-56-9

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1289175-56-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1289175-56-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,9,1,7 and 5 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1289175-56:
(9*1)+(8*2)+(7*8)+(6*9)+(5*1)+(4*7)+(3*5)+(2*5)+(1*6)=199
199 % 10 = 9
So 1289175-56-9 is a valid CAS Registry Number.

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