377-77-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 377-77-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,7 and 7 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 377-77:
(5*3)+(4*7)+(3*7)+(2*7)+(1*7)=85
85 % 10 = 5
So 377-77-5 is a valid CAS Registry Number.