149981-33-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 149981-33-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,9,8 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 149981-33:
(8*1)+(7*4)+(6*9)+(5*9)+(4*8)+(3*1)+(2*3)+(1*3)=179
179 % 10 = 9
So 149981-33-9 is a valid CAS Registry Number.