1229446-99-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1229446-99-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,9,4,4 and 6 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1229446-99:
(9*1)+(8*2)+(7*2)+(6*9)+(5*4)+(4*4)+(3*6)+(2*9)+(1*9)=174
174 % 10 = 4
So 1229446-99-4 is a valid CAS Registry Number.