21119-26-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21119-26-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,1,1 and 9 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 21119-26:
(7*2)+(6*1)+(5*1)+(4*1)+(3*9)+(2*2)+(1*6)=66
66 % 10 = 6
So 21119-26-6 is a valid CAS Registry Number.