377777-22-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 377777-22-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,7,7,7,7 and 7 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 377777-22:
(8*3)+(7*7)+(6*7)+(5*7)+(4*7)+(3*7)+(2*2)+(1*2)=205
205 % 10 = 5
So 377777-22-5 is a valid CAS Registry Number.