429642-29-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 429642-29-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,9,6,4 and 2 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 429642-29:
(8*4)+(7*2)+(6*9)+(5*6)+(4*4)+(3*2)+(2*2)+(1*9)=165
165 % 10 = 5
So 429642-29-5 is a valid CAS Registry Number.