852991-81-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 852991-81-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,2,9,9 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 852991-81:
(8*8)+(7*5)+(6*2)+(5*9)+(4*9)+(3*1)+(2*8)+(1*1)=212
212 % 10 = 2
So 852991-81-2 is a valid CAS Registry Number.