229333-65-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 229333-65-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,9,3,3 and 3 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 229333-65:
(8*2)+(7*2)+(6*9)+(5*3)+(4*3)+(3*3)+(2*6)+(1*5)=137
137 % 10 = 7
So 229333-65-7 is a valid CAS Registry Number.