(3aR,6R,7S,7aS)-1,1,6-Trimethyl-1,3,3a,6,7,7a-hexahydro-benzo[c][1,2]oxasilole-7-carboxylic 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 143308-33-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,3,0 and 8 respectively; the second part has 2 digits, 3 and 3 respectively. Calculate Digit Verification of CAS Registry Number 143308-33: (8*1)+(7*4)+(6*3)+(5*3)+(4*0)+(3*8)+(2*3)+(1*3)=102 102 % 10 = 2 So 143308-33-2 is a valid CAS Registry Number.