(1S,4aS,10aR)-dimethyl 6-methoxy-1,4a-dimethyl-1,2,3,4,4a,9,10,10a-octahydrophenanthrene-1,7-dicarboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 128344-80-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,3,4 and 4 respectively; the second part has 2 digits, 8 and 0 respectively. Calculate Digit Verification of CAS Registry Number 128344-80: (8*1)+(7*2)+(6*8)+(5*3)+(4*4)+(3*4)+(2*8)+(1*0)=129 129 % 10 = 9 So 128344-80-9 is a valid CAS Registry Number.