99841-12-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99841-12-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,8,4 and 1 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 99841-12:
(7*9)+(6*9)+(5*8)+(4*4)+(3*1)+(2*1)+(1*2)=180
180 % 10 = 0
So 99841-12-0 is a valid CAS Registry Number.