423136-99-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 423136-99-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,3,1,3 and 6 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 423136-99:
(8*4)+(7*2)+(6*3)+(5*1)+(4*3)+(3*6)+(2*9)+(1*9)=126
126 % 10 = 6
So 423136-99-6 is a valid CAS Registry Number.