299181-82-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 299181-82-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,9,1,8 and 1 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 299181-82:
(8*2)+(7*9)+(6*9)+(5*1)+(4*8)+(3*1)+(2*8)+(1*2)=191
191 % 10 = 1
So 299181-82-1 is a valid CAS Registry Number.