83957-63-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83957-63-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,9,5 and 7 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 83957-63:
(7*8)+(6*3)+(5*9)+(4*5)+(3*7)+(2*6)+(1*3)=175
175 % 10 = 5
So 83957-63-5 is a valid CAS Registry Number.