977-41-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 977-41-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,7 and 7 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 977-41:
(5*9)+(4*7)+(3*7)+(2*4)+(1*1)=103
103 % 10 = 3
So 977-41-3 is a valid CAS Registry Number.