1,4-Dioxane-2,3-dicarboxylic acid,
5,6-dimethyl-5,6-bis(2-propenyloxy)-, dimethyl ester, (2R,3R,5R,6R)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 403670-72-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,3,6,7 and 0 respectively; the second part has 2 digits, 7 and 2 respectively. Calculate Digit Verification of CAS Registry Number 403670-72: (8*4)+(7*0)+(6*3)+(5*6)+(4*7)+(3*0)+(2*7)+(1*2)=124 124 % 10 = 4 So 403670-72-4 is a valid CAS Registry Number.