1246639-99-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1246639-99-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,6,6,3 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1246639-99:
(9*1)+(8*2)+(7*4)+(6*6)+(5*6)+(4*3)+(3*9)+(2*9)+(1*9)=185
185 % 10 = 5
So 1246639-99-5 is a valid CAS Registry Number.