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81229-52-9

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81229-52-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81229-52-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,2,2 and 9 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 81229-52:
(7*8)+(6*1)+(5*2)+(4*2)+(3*9)+(2*5)+(1*2)=119
119 % 10 = 9
So 81229-52-9 is a valid CAS Registry Number.
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