83037-78-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83037-78-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,0,3 and 7 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 83037-78:
(7*8)+(6*3)+(5*0)+(4*3)+(3*7)+(2*7)+(1*8)=129
129 % 10 = 9
So 83037-78-9 is a valid CAS Registry Number.