(5aR,6R,9S,9aS)-3-(prop-2-yn-1-yloxy)-1,5,5a,6,9,9a-hexahydro-6,9-methanobenzo[e][1,3,2]dioxaphosphepine-3-oxide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 1289128-92-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,9,1,2 and 8 respectively; the second part has 2 digits, 9 and 2 respectively. Calculate Digit Verification of CAS Registry Number 1289128-92: (9*1)+(8*2)+(7*8)+(6*9)+(5*1)+(4*2)+(3*8)+(2*9)+(1*2)=192 192 % 10 = 2 So 1289128-92-2 is a valid CAS Registry Number.