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34219-74-4

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34219-74-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 34219-74-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,2,1 and 9 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 34219-74:
(7*3)+(6*4)+(5*2)+(4*1)+(3*9)+(2*7)+(1*4)=104
104 % 10 = 4
So 34219-74-4 is a valid CAS Registry Number.

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