11,20-Dihydroxy-3-oxopregna-4,17(20)-dien-21-al is a complex organic compound belonging to the steroid family, specifically a pregnane derivative. It is characterized by the presence of two hydroxyl groups at the 11th and 20th carbon positions, a carbonyl group at the 3rd position, and an aldehyde group at the 21st position. 11,20-dihydroxy-3-oxopregna-4,17(20)-dien-21-al exhibits a unique structure with a 4,17(20)-dien system, indicating the presence of double bonds between carbons 4 and 5, and 17 and 20. The 3-oxo group signifies the presence of a ketone at the 3rd carbon, while the 21-al group indicates an aldehyde at the 21st carbon. This chemical is of interest in the field of pharmaceuticals and biochemistry due to its potential biological activities and structural similarities to other steroidal compounds with known therapeutic properties.
3247-38-9
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Basic information
- Product Name: 11,20-dihydroxy-3-oxopregna-4,17(20)-dien-21-al
- Synonyms: 11,20-dihydroxy-3-oxopregna-4,17(20)-dien-21-al
- CAS NO:3247-38-9
- Molecular Formula: C21H28 O4
- Molecular Weight: 344.44
- EINECS: N/A
- Product Categories: N/A
- Mol File: 3247-38-9.mol
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Chemical Properties
- Melting Point: 205-207 °C
- Boiling Point: 565°Cat760mmHg
- Flash Point: 309.6°C
- Appearance: /
- Density: 1.24g/cm3
- Vapor Pressure: 4.05E-15mmHg at 25°C
- Refractive Index: 1.592
- Storage Temp.: N/A
- Solubility: N/A
- PKA: 9.45±0.70(Predicted)
- CAS DataBase Reference: 11,20-dihydroxy-3-oxopregna-4,17(20)-dien-21-al(CAS DataBase Reference)
- NIST Chemistry Reference: 11,20-dihydroxy-3-oxopregna-4,17(20)-dien-21-al(3247-38-9)
- EPA Substance Registry System: 11,20-dihydroxy-3-oxopregna-4,17(20)-dien-21-al(3247-38-9)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 3247-38-9(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 3247-38-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,2,4 and 7 respectively; the second part has 2 digits, 3 and 8 respectively.Calculate Digit Verification of CAS Registry Number 3247-38:
(6*3)+(5*2)+(4*4)+(3*7)+(2*3)+(1*8)=79
79 % 10 = 9
So 3247-38-9 is a valid CAS Registry Number.
InChI:InChI=1/C21H28O4/c1-20-8-7-13(23)9-12(20)3-4-14-15-5-6-16(18(25)11-22)21(15,2)10-17(24)19(14)20/h9,11,14-15,17,19,24-25H,3-8,10H2,1-2H3/b18-16+/t14-,15-,17?,19+,20-,21-/m0/s1
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11,20-dihydroxy-3-oxopregna-4,17(20)-dien-21-al
