206861-83-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 206861-83-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,6,8,6 and 1 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 206861-83:
(8*2)+(7*0)+(6*6)+(5*8)+(4*6)+(3*1)+(2*8)+(1*3)=138
138 % 10 = 8
So 206861-83-8 is a valid CAS Registry Number.