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7002-81-5

3-methoxy-2,17β-diacetoxyestra-1,3,5(10)-triene is a complex organic compound belonging to the class of steroids, specifically a derivative of estratriene. This molecule features a steroidal core structure with a 1,3,5(10)-triene backbone, which consists of three conjugated double bonds. The compound is characterized by the presence of a methoxy group at the 3-position and two acetoxy groups at the 2 and 17β positions. These functional groups contribute to the compound's polarity and reactivity. The acetoxy groups are ester derivatives of acetic acid, which can be hydrolyzed under certain conditions to release the parent alcohol. 3-methoxy-2,17β-diacetoxyestra-1,3,5(10)-triene is of interest in the field of organic chemistry and may have potential applications in pharmaceuticals or as a precursor in the synthesis of other steroidal compounds.

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  • 7002-81-5 Structure

  • Basic information

    1. Product Name: 3-methoxy-2,17β-diacetoxyestra-1,3,5(10)-triene
    2. Synonyms:
    3. CAS NO:7002-81-5
    4. Molecular Formula:
    5. Molecular Weight: 386.488
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 7002-81-5.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: N/A
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: 3-methoxy-2,17β-diacetoxyestra-1,3,5(10)-triene(CAS DataBase Reference)
    10. NIST Chemistry Reference: 3-methoxy-2,17β-diacetoxyestra-1,3,5(10)-triene(7002-81-5)
    11. EPA Substance Registry System: 3-methoxy-2,17β-diacetoxyestra-1,3,5(10)-triene(7002-81-5)

  • 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: 7002-81-5(Hazardous Substances Data)

7002-81-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7002-81-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,0,0 and 2 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 7002-81:
(6*7)+(5*0)+(4*0)+(3*2)+(2*8)+(1*1)=65
65 % 10 = 5
So 7002-81-5 is a valid CAS Registry Number.

7002-81-5Downstream Products

7002-81-5Relevant articles and documents

New Routes for the Synthesis of Estra-1,3,5(10)-triene-2,3,17β-triols-(Catechol Estrogens)

Santaniello, Enzo,Fiecchi, Alberto,Ferraboschi, Patrizia

, p. 1157 - 1158 (1982)

2,3,17β-Triacetoxyestra-1,3,5(10)-triene has been prepared in good yields either from 2-chloromercurio-3-methoxy-17β-acetoxyestra-1,3,5(10)-triene by a novel hydroboration-oxidation route or by oxidation of a previously unknown 2-organoboron substituted estradiol.

Regioselective Synthesis of 2-Chloromercurio-estradiol and -estrone Derivatives: A Novel Approach to A-Ring Substituted Estrogens

Santaniello, Enzo,Fiecchi, Alberto,Ferraboschi, Patrizia,Ravasi, Manuela

, p. 2765 - 2770 (2007/10/02)

The following derivatives of estradiol and estrone, 3-methoxyestra-1,3,5(10)-trien-17β-yl acetate (3a), 3-methoxyestra-1,3,5(10)-trien-17-one (3b), estra-1,3,5(10)-triene-3,17β-diyl diacetate (1f), and 3-acetoxyestra-1,3,5(10)-trien-17-one (1g), can be regioselectively mercuriated at the less hindered position 2.The 2-mercurio derivative (4a), prepared from (3a), can be used as the starting material for the synthesis of some 2-substituted estrogens, such as 2-halogeno- and 2-hydroxy-estrogens.Additionally, the 2-chloromercurio-4-bromo derivative (5c) can be obtained from 4-bromo-3-methoxyestra-1,3,5(10)-trien-17β-yl acetate (2f), whereas from 3-methoxyestra-1,3,5(10)-triene-2,17β-diyl diacetate (3g) the 4-chloromercurio derivative (5d) can also be obtained.An explanation of the regioselectivity shown by some electrophiles towards the aromatic A-ring of estrogens is presented.

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