211868-69-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 211868-69-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,1,8,6 and 8 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 211868-69:
(8*2)+(7*1)+(6*1)+(5*8)+(4*6)+(3*8)+(2*6)+(1*9)=138
138 % 10 = 8
So 211868-69-8 is a valid CAS Registry Number.