2-Naphthalenecarboxylic acid, 6,7-dimethoxy-3-(methoxymethyl)-, ethyl
ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 114839-30-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,4,8,3 and 9 respectively; the second part has 2 digits, 3 and 0 respectively. Calculate Digit Verification of CAS Registry Number 114839-30: (8*1)+(7*1)+(6*4)+(5*8)+(4*3)+(3*9)+(2*3)+(1*0)=124 124 % 10 = 4 So 114839-30-4 is a valid CAS Registry Number.