5-carbomethoxy-2,2aα,3,4,4aα,5β,6α,7,7aα,7bα-decahydro-1,7b-dimethyl-6-(1-methylethyl)-1H-cyclopentindol-4-en-7-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 140835-52-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,8,3 and 5 respectively; the second part has 2 digits, 5 and 2 respectively. Calculate Digit Verification of CAS Registry Number 140835-52: (8*1)+(7*4)+(6*0)+(5*8)+(4*3)+(3*5)+(2*5)+(1*2)=115 115 % 10 = 5 So 140835-52-5 is a valid CAS Registry Number.