291306-65-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 291306-65-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,1,3,0 and 6 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 291306-65:
(8*2)+(7*9)+(6*1)+(5*3)+(4*0)+(3*6)+(2*6)+(1*5)=135
135 % 10 = 5
So 291306-65-5 is a valid CAS Registry Number.