42861-84-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42861-84-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,8,6 and 1 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 42861-84:
(7*4)+(6*2)+(5*8)+(4*6)+(3*1)+(2*8)+(1*4)=127
127 % 10 = 7
So 42861-84-7 is a valid CAS Registry Number.