215169-26-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 215169-26-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,5,1,6 and 9 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 215169-26:
(8*2)+(7*1)+(6*5)+(5*1)+(4*6)+(3*9)+(2*2)+(1*6)=119
119 % 10 = 9
So 215169-26-9 is a valid CAS Registry Number.