(3aR,4R,5aR,8aR,8bR)-2,2,4,7,7-Pentamethyl-hexahydro-benzo[1,2-d;3,4-d']bis[1,3]dioxole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 141436-49-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,4,3 and 6 respectively; the second part has 2 digits, 4 and 9 respectively. Calculate Digit Verification of CAS Registry Number 141436-49: (8*1)+(7*4)+(6*1)+(5*4)+(4*3)+(3*6)+(2*4)+(1*9)=109 109 % 10 = 9 So 141436-49-9 is a valid CAS Registry Number.