291279-59-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 291279-59-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,1,2,7 and 9 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 291279-59:
(8*2)+(7*9)+(6*1)+(5*2)+(4*7)+(3*9)+(2*5)+(1*9)=169
169 % 10 = 9
So 291279-59-9 is a valid CAS Registry Number.