756617-61-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 756617-61-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,5,6,6,1 and 7 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 756617-61:
(8*7)+(7*5)+(6*6)+(5*6)+(4*1)+(3*7)+(2*6)+(1*1)=195
195 % 10 = 5
So 756617-61-5 is a valid CAS Registry Number.