229342-99-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 229342-99-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,9,3,4 and 2 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 229342-99:
(8*2)+(7*2)+(6*9)+(5*3)+(4*4)+(3*2)+(2*9)+(1*9)=148
148 % 10 = 8
So 229342-99-8 is a valid CAS Registry Number.