499239-74-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 499239-74-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,9,2,3 and 9 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 499239-74:
(8*4)+(7*9)+(6*9)+(5*2)+(4*3)+(3*9)+(2*7)+(1*4)=216
216 % 10 = 6
So 499239-74-6 is a valid CAS Registry Number.