42311-38-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42311-38-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,3,1 and 1 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 42311-38:
(7*4)+(6*2)+(5*3)+(4*1)+(3*1)+(2*3)+(1*8)=76
76 % 10 = 6
So 42311-38-6 is a valid CAS Registry Number.