1338-51-8 Usage
Uses
o/p-Toluenesulfonamide formuladehyde resin is used in polyamide, epoxy resin, phenol-formaldehyde resin, printing inks, coatings etc.
Check Digit Verification of cas no
The CAS Registry Mumber 1338-51-8 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, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1338-51:
(6*1)+(5*3)+(4*3)+(3*8)+(2*5)+(1*1)=68
68 % 10 = 8
So 1338-51-8 is a valid CAS Registry Number.