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30770-50-4

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30770-50-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 30770-50-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,7,7 and 0 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 30770-50:
(7*3)+(6*0)+(5*7)+(4*7)+(3*0)+(2*5)+(1*0)=94
94 % 10 = 4
So 30770-50-4 is a valid CAS Registry Number.

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