42286-73-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42286-73-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,2,8 and 6 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 42286-73:
(7*4)+(6*2)+(5*2)+(4*8)+(3*6)+(2*7)+(1*3)=117
117 % 10 = 7
So 42286-73-7 is a valid CAS Registry Number.