143101-73-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143101-73-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,1,0 and 1 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 143101-73:
(8*1)+(7*4)+(6*3)+(5*1)+(4*0)+(3*1)+(2*7)+(1*3)=79
79 % 10 = 9
So 143101-73-9 is a valid CAS Registry Number.
143101-73-9Relevant academic research and scientific papers
Synthesis of 24-homo-26,26,26,27,27,27-hexafluoro-1α,22,25-trihydroxyvitamin D3
Iseki,Nagai,Kobayashi
, p. 1346 - 1348 (2007/10/02)
The novel fluorinated vitamin D3 analog, 24-homo-26,26,26,27,27,27-1α,22,25-trihydroxyvitamin D3, was prepared utilizing the ene reaction of hexafluoroacetone for the construction of the side chain.