68042-39-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68042-39-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,0,4 and 2 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 68042-39:
(7*6)+(6*8)+(5*0)+(4*4)+(3*2)+(2*3)+(1*9)=127
127 % 10 = 7
So 68042-39-7 is a valid CAS Registry Number.