Nonanoic acid, 4,8-dimethyl-, methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 13758-80-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,7,5 and 8 respectively; the second part has 2 digits, 8 and 0 respectively. Calculate Digit Verification of CAS Registry Number 13758-80: (7*1)+(6*3)+(5*7)+(4*5)+(3*8)+(2*8)+(1*0)=120 120 % 10 = 0 So 13758-80-0 is a valid CAS Registry Number.