((1R,2R,4aS,8aS)-5-Formyl-1,2,4a-trimethyl-1,2,3,4,4a,7,8,8a-octahydro-naphthalen-1-yl)-acetic acid 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 263387-41-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,3,3,8 and 7 respectively; the second part has 2 digits, 4 and 1 respectively. Calculate Digit Verification of CAS Registry Number 263387-41: (8*2)+(7*6)+(6*3)+(5*3)+(4*8)+(3*7)+(2*4)+(1*1)=153 153 % 10 = 3 So 263387-41-3 is a valid CAS Registry Number.