183137-37-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 183137-37-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,3,1,3 and 7 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 183137-37:
(8*1)+(7*8)+(6*3)+(5*1)+(4*3)+(3*7)+(2*3)+(1*7)=133
133 % 10 = 3
So 183137-37-3 is a valid CAS Registry Number.