42125-67-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42125-67-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,1,2 and 5 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 42125-67:
(7*4)+(6*2)+(5*1)+(4*2)+(3*5)+(2*6)+(1*7)=87
87 % 10 = 7
So 42125-67-7 is a valid CAS Registry Number.