56311-38-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56311-38-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,3,1 and 1 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 56311-38:
(7*5)+(6*6)+(5*3)+(4*1)+(3*1)+(2*3)+(1*8)=107
107 % 10 = 7
So 56311-38-7 is a valid CAS Registry Number.