(4aR,5S,8aR)-3,4a,5-Trimethyl-5,6,7,8,8a,9-hexahydro-4aH-naphtho[2,3-b]thiophen-4-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 113729-65-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,7,2 and 9 respectively; the second part has 2 digits, 6 and 5 respectively. Calculate Digit Verification of CAS Registry Number 113729-65: (8*1)+(7*1)+(6*3)+(5*7)+(4*2)+(3*9)+(2*6)+(1*5)=120 120 % 10 = 0 So 113729-65-0 is a valid CAS Registry Number.