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219131-32-5

3β,4β,7α-trihydroxy-5-cholestene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

219131-32-5

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  • (1R,4S,6R,7S,9aR,11aR)-9a,11a-dimethyl-1-[(2R)-6-methylheptan-2-yl]-1H,2H,3H,3aH,3bH,4H,6H,7H,8H,9H,9bH,10H,11H-cyclopenta[a]phenanthrene-4,6,7-triol

    Cas No: 219131-32-5

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219131-32-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 219131-32-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,1,3 and 1 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 219131-32:
(8*2)+(7*1)+(6*9)+(5*1)+(4*3)+(3*1)+(2*3)+(1*2)=105
105 % 10 = 5
So 219131-32-5 is a valid CAS Registry Number.

219131-32-5Upstream product

219131-32-5Relevant articles and documents

Oxidation with selenium dioxide: The first report of solvent-selective steroidal aromatization, efficient access to 4β,7α-dihydroxy steroids, and syntheses of natural diaromatic ergosterols

Ghosh, Pranab,Das, Jayanta,Sarkar, Antara,Ng, Seik Weng,Tiekink, Edward R.T.

, p. 6485 - 6491 (2012)

Selenium dioxide oxidation of cholesterol reveals a solvent-dependent product selectivity and facile one-pot synthesis of three derivatives, including aromatic analogues of naturally occurring ergosterol. Efficient access to 4β,7α-dihydroxy cholesterol is

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