229639-17-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 229639-17-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,9,6,3 and 9 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 229639-17:
(8*2)+(7*2)+(6*9)+(5*6)+(4*3)+(3*9)+(2*1)+(1*7)=162
162 % 10 = 2
So 229639-17-2 is a valid CAS Registry Number.