42600-77-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42600-77-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,6,0 and 0 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 42600-77:
(7*4)+(6*2)+(5*6)+(4*0)+(3*0)+(2*7)+(1*7)=91
91 % 10 = 1
So 42600-77-1 is a valid CAS Registry Number.