69377-71-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69377-71-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,3,7 and 7 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 69377-71:
(7*6)+(6*9)+(5*3)+(4*7)+(3*7)+(2*7)+(1*1)=175
175 % 10 = 5
So 69377-71-5 is a valid CAS Registry Number.