126583-42-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126583-42-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,5,8 and 3 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 126583-42:
(8*1)+(7*2)+(6*6)+(5*5)+(4*8)+(3*3)+(2*4)+(1*2)=134
134 % 10 = 4
So 126583-42-4 is a valid CAS Registry Number.