3-acetoxy-17a-oxa-D-homo-estra-1,3,5(10)-trien-17-one is a synthetic steroidal compound with a unique chemical structure. It is characterized by the presence of a 17a-oxa (oxygen-containing) bridge and a 3-acetoxy group, which are key features that distinguish it from other steroids. 3-acetoxy-17a-oxa-D-homo-estra-1,3,5⁽¹⁰⁾-trien-17-one belongs to the class of estratrienes, which are derivatives of the naturally occurring estrogen hormone. The numbering of the carbon atoms in the name indicates the positions of the double bonds and the functional groups. The 17-oxa substitution suggests that there is an oxygen atom replacing a carbon atom at the 17th position, which can significantly alter the biological activity of the molecule. 3-acetoxy-17a-oxa-D-homo-estra-1,3,5⁽¹⁰⁾-trien-17-one may be of interest in pharmaceutical research due to its potential applications in hormone-related therapies or as a research tool to understand the structure-activity relationships of steroidal compounds.

5128-18-7

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Basic information
1. Product Name: 3-acetoxy-17a-oxa-D-homo-estra-1,3,5⁽¹⁰⁾-trien-17-one
2. Synonyms: 3-acetoxy-17a-oxa-D-homo-estra-1,3,5⁽¹⁰⁾-trien-17-one
3. CAS NO:5128-18-7
4. Molecular Formula:
5. Molecular Weight: 328.408
6. EINECS: N/A
7. Product Categories: N/A
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-acetoxy-17a-oxa-D-homo-estra-1,3,5⁽¹⁰⁾-trien-17-one(CAS DataBase Reference)
10. NIST Chemistry Reference: 3-acetoxy-17a-oxa-D-homo-estra-1,3,5⁽¹⁰⁾-trien-17-one(5128-18-7)
11. EPA Substance Registry System: 3-acetoxy-17a-oxa-D-homo-estra-1,3,5⁽¹⁰⁾-trien-17-one(5128-18-7)
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: 5128-18-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 5128-18-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,1,2 and 8 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 5128-18:
(6*5)+(5*1)+(4*2)+(3*8)+(2*1)+(1*8)=77
77 % 10 = 7
So 5128-18-7 is a valid CAS Registry Number.

5128-18-7Upstream product

5128-18-7Downstream Products

604-82-0 (4aS,4bR,10bS,12aS)-8-hydroxy-12a-methyl-3,4,4a,4b,5,6,10b,11,12,12a-decahydro-2H-naphtho[2,1-f]chromen-2-one

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