2,3-epoxy-1,2,3,4,4aβ,5,6,7,8,8a-decahydro-6α-hydroxy-3-<2-(4-methoxybenzocyclobutenyl)>-8aβ-methyl-1-oxonaphthalene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 81277-61-4 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, 6 and 1 respectively. Calculate Digit Verification of CAS Registry Number 81277-61: (7*8)+(6*1)+(5*2)+(4*7)+(3*7)+(2*6)+(1*1)=134 134 % 10 = 4 So 81277-61-4 is a valid CAS Registry Number.