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Toluene-4-sulfonic acid (R)-2-((1R,3aS,4S,7aR)-4-hydroxy-7a-methyl-octahydro-inden-1-yl)-propyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

248257-48-9

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248257-48-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 248257-48-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,8,2,5 and 7 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 248257-48:
(8*2)+(7*4)+(6*8)+(5*2)+(4*5)+(3*7)+(2*4)+(1*8)=159
159 % 10 = 9
So 248257-48-9 is a valid CAS Registry Number.

248257-48-9Downstream Products

248257-48-9Relevant academic research and scientific papers

Synthesis of 14,20-Bis-epi-1α,25-dihydroxy-19-norvitamin D3 and analogues

Van Gool, Michiel,Zhao, Xu-Yang,Sabbe, Katrien,Vandewalle, Maurits

, p. 2241 - 2248 (2007/10/03)

14,20-Bis-epi-1α,25-dihydroxy-19-norvitamin D3 and side chain analogues thereof have been synthesised via the 14,20-bis-epi-Inhoffen- Lythgoe diol 9. The synthesis of this precursor was performed via degradation of vitamin D2 and by total synthesis starting from Hajos-Wiechert ketone 24.

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