299953-46-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 299953-46-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,9,9,5 and 3 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 299953-46:
(8*2)+(7*9)+(6*9)+(5*9)+(4*5)+(3*3)+(2*4)+(1*6)=221
221 % 10 = 1
So 299953-46-1 is a valid CAS Registry Number.