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[(2S,5S)-5-Hydroxy-2-methyl-cyclohex-(E)-ylidene]-acetic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

145260-95-3

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145260-95-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 145260-95-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,2,6 and 0 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 145260-95:
(8*1)+(7*4)+(6*5)+(5*2)+(4*6)+(3*0)+(2*9)+(1*5)=123
123 % 10 = 3
So 145260-95-3 is a valid CAS Registry Number.

145260-95-3Relevant academic research and scientific papers

A Synthesis of A-Ring Synthons for Dihydrotachysterols

Rookhuizen, Rob Boer,Hanekamp, Jaap C.,Bos, Hendrik J. T.

, p. 1633 - 1636 (1992)

Phosphine oxides 1 and 2, enantiomeric synthons for the preparation of dihydrotachysterols, were synthesized from the appropriate dihydrocarvones

25-Hydroxydihydrotachysterol2. An innovative synthesis of a key metabolite of dihydrotachysterol2

Hanekamp,Rookhuizen,Bos,Brandsma

, p. 9283 - 9294 (2007/10/02)

A new synthesis of 25-hydroxydihydrotachysterol2 is described. The hydroxylated side-chain is constructed stereoselectively using a chiral Wittig reagent. The A-ring synthon is introduced utilising the Wittig-Horner method as developed by Lythgoe et al. The preparation of the metabolite is carried out in 18 steps.

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