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87994-87-4

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87994-87-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87994-87-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,9,9 and 4 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 87994-87:
(7*8)+(6*7)+(5*9)+(4*9)+(3*4)+(2*8)+(1*7)=214
214 % 10 = 4
So 87994-87-4 is a valid CAS Registry Number.

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