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CAS

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2931-65-9

The chemical compound "3-[(3S,3aS,5aS,6R,9aS,9bS)-3-hydroxy-3,3a,6-trimethyl-7-oxododecahydro-1H-cyclopenta[a]naphthalen-6-yl]propanoic acid" is a complex organic molecule with a long and specific name. It is a derivative of a cyclopenta[a]naphthalene, which is a type of polycyclic aromatic hydrocarbon. 3-[(3S,3aS,5aS,6R,9aS,9bS)-3-hydroxy-3,3a,6-trimethyl-7-oxododecahydro-1H-cyclopenta[a]naphthalen-6-yl]propanoic acid features a hydroxyl group, three methyl groups, and a carboxylic acid functional group, which are key to its chemical properties. The stereochemistry is defined by the 'S' and 'R' configurations at various carbon centers, indicating the three-dimensional arrangement of the molecule. This specific structure is crucial for its potential biological activity and interactions, although the exact applications or uses of this compound are not specified in the question. The compound's complexity suggests it may be of interest in fields such as pharmaceuticals or materials science, where precise molecular structures can influence function.

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  • 2931-65-9 Structure

  • Basic information

    1. Product Name: 3-[(3S,3aS,5aS,6R,9aS,9bS)-3-hydroxy-3,3a,6-trimethyl-7-oxododecahydro-1H-cyclopenta[a]naphthalen-6-yl]propanoic acid
    2. Synonyms:
    3. CAS NO:2931-65-9
    4. Molecular Formula: C19H30O4
    5. Molecular Weight: 322.4391
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 2931-65-9.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: 480.2°C at 760 mmHg
    3. Flash Point: 258.3°C
    4. Appearance: N/A
    5. Density: 1.125g/cm3
    6. Vapor Pressure: 3.08E-11mmHg at 25°C
    7. Refractive Index: 1.52
    8. Storage Temp.: N/A
    9. Solubility: N/A
    10. CAS DataBase Reference: 3-[(3S,3aS,5aS,6R,9aS,9bS)-3-hydroxy-3,3a,6-trimethyl-7-oxododecahydro-1H-cyclopenta[a]naphthalen-6-yl]propanoic acid(CAS DataBase Reference)
    11. NIST Chemistry Reference: 3-[(3S,3aS,5aS,6R,9aS,9bS)-3-hydroxy-3,3a,6-trimethyl-7-oxododecahydro-1H-cyclopenta[a]naphthalen-6-yl]propanoic acid(2931-65-9)
    12. EPA Substance Registry System: 3-[(3S,3aS,5aS,6R,9aS,9bS)-3-hydroxy-3,3a,6-trimethyl-7-oxododecahydro-1H-cyclopenta[a]naphthalen-6-yl]propanoic acid(2931-65-9)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 2931-65-9(Hazardous Substances Data)

2931-65-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2931-65-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,9,3 and 1 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 2931-65:
(6*2)+(5*9)+(4*3)+(3*1)+(2*6)+(1*5)=89
89 % 10 = 9
So 2931-65-9 is a valid CAS Registry Number.

2931-65-9Upstream product

2931-65-9Relevant articles and documents

Development of a commercial process to produce oxandrolone

Cabaj, John E.,Kairys, David,Benson, Thomas R.

, p. 378 - 388 (2012/12/31)

A manufacturing scale process for the preparation of the anabolic steroid Oxandrolone was developed. Key elements included the following: the bromination of methylandrostanolone with perbromide to give the 2-bromoketone in ca. 80% yield with minimal dehydration, subsequent elimination of the bromide with Li2CO3/LiBr to give the 2-enone in ca. 70% yield with minimal formation of methyltestosterone, and an ozonolysis procedure to give the penultimate intermediate in ca. 90% yield. The overall yield from methylandrostanolone to Oxandrolone using the described process was 45% as compared to the original Searle yield of 8%.

DES-A AND DES-A-B-SECOSTEROIDS. PART III. DEGRADATION OF 17α-METHYLTESTOSTERONE INTO 17β-HYDROXY-17α-METHYL-DES-A-5,10-SECO-10-OXOANDROSTAN-5-OIC ACID

Rodewald, Wladyslaw J.,Jagodzinska, Barbara M.

, p. 709 - 716 (2007/10/02)

Transformation of 17α-methyltestosterone (1) into 17β-hydroxy-17β-methyl-des-A-5,10-seco-10-oxoandrostan-5-oic acid (11) is described.Pyrolysis of sodium salt of seco-keto acid 2, obtained from 1, afforded two epimeric des-A-ketones 3a and 4, respectively.The ring B cleavage between C-5 and C-10 was performed by Baeyer-Villiger reaction of compound 3a or 4, followed by hydrolysis of des-A-lactones 7 and 8 formed.The resulting des-A-5,10-seco-hydroxy acids 9 and 10 were oxidized into seco-keto acid 11.

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