773138-83-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 773138-83-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,3,1,3 and 8 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 773138-83:
(8*7)+(7*7)+(6*3)+(5*1)+(4*3)+(3*8)+(2*8)+(1*3)=183
183 % 10 = 3
So 773138-83-3 is a valid CAS Registry Number.