1338-32-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1338-32-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,3,3 and 8 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1338-32:
(6*1)+(5*3)+(4*3)+(3*8)+(2*3)+(1*2)=65
65 % 10 = 5
So 1338-32-5 is a valid CAS Registry Number.
InChI:InChI=1/C7H5ClO2.C2H7N/c8-6-4-2-1-3-5(6)7(9)10;1-3-2/h1-4H,(H,9,10);3H,1-2H3