766556-62-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 766556-62-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,6,6,5,5 and 6 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 766556-62:
(8*7)+(7*6)+(6*6)+(5*5)+(4*5)+(3*6)+(2*6)+(1*2)=211
211 % 10 = 1
So 766556-62-1 is a valid CAS Registry Number.