211102-98-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 211102-98-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,1,1,0 and 2 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 211102-98:
(8*2)+(7*1)+(6*1)+(5*1)+(4*0)+(3*2)+(2*9)+(1*8)=66
66 % 10 = 6
So 211102-98-6 is a valid CAS Registry Number.