766494-59-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 766494-59-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,6,6,4,9 and 4 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 766494-59:
(8*7)+(7*6)+(6*6)+(5*4)+(4*9)+(3*4)+(2*5)+(1*9)=221
221 % 10 = 1
So 766494-59-1 is a valid CAS Registry Number.