(+)-(4aR,6R,8aS)-6α-acetoxy-1,2,3,4,4aβ,5,6,7,8,8a-decahydro-1,1-(1,2-ethylenedioxy)-8aβ-methylnaphthalene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 81277-56-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,2,7 and 7 respectively; the second part has 2 digits, 5 and 6 respectively. Calculate Digit Verification of CAS Registry Number 81277-56: (7*8)+(6*1)+(5*2)+(4*7)+(3*7)+(2*5)+(1*6)=137 137 % 10 = 7 So 81277-56-7 is a valid CAS Registry Number.