866131-33-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 866131-33-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,6,1,3 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 866131-33:
(8*8)+(7*6)+(6*6)+(5*1)+(4*3)+(3*1)+(2*3)+(1*3)=171
171 % 10 = 1
So 866131-33-1 is a valid CAS Registry Number.