3-Oxo-4-aza-5α-androstane-17β-carboxylic acid
Also known as: 3-Oxo-4-aza-5α-androstan-17β-carboxylic acid, Finasteride Impurity Ⅰ, Dutasteride Impurity 3, Dutasteride Acid Dihydro, 4-Aza-5α-androstan-3-one-17β-carboxylic acid, M3-ACID, F9 acid, Dutasteride intermediate, Finasteride intermediate
3-Oxo-4-aza-5α-androstane-17β-carboxylic acid (CAS 103335-55-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C19H29NO3 and a molecular weight of 319.439 g/mol. Key properties include a melting point of 315 °C, a boiling point of 518.2±50.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 267.2±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 103335-55-3
- Jingsj CID
- J-1092311-7
- Molecular Formula
- C19H29NO3
- Molecular Weight
- 319.439 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 315 °C |
|---|---|
| Boiling Point | 518.2±50.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 267.2±30.1 °C |
| Exact Mass | 319.214752 |
| PSA | 66.40000 |
| LogP | 2.53 |
| Vapor Pressure | 0.0±2.9 mmHg at 25°C |
| Refractive Index | 1.534 |
Customs & Trade Information
| HS Code | 2937290090 |
|---|
Frequently Asked Questions
What is the CAS number of 3-Oxo-4-aza-5α-androstane-17β-carboxylic acid?
The CAS number of 3-Oxo-4-aza-5α-androstane-17β-carboxylic acid is 103335-55-3.
What are the molecular formula and molecular weight of 3-Oxo-4-aza-5α-androstane-17β-carboxylic acid?
3-Oxo-4-aza-5α-androstane-17β-carboxylic acid has molecular formula C19H29NO3 and molecular weight 319.439 g/mol.
What are the upstream and downstream products of 3-Oxo-4-aza-5α-androstane-17β-carboxylic acid?
For 3-Oxo-4-aza-5α-androstane-17β-carboxylic acid, Upstream Products: Progesterone; Downstream Products: Finasteride, Dihydroproscar, 4-Aza-5a-androstan-1-ene-3-one-17b-carboxylic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Oxo-4-aza-5α-androstane-17β-carboxylic acid (CAS 103335-55-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1092311-7 (accessed 2026-11-07).
Data for reference only; verify product details with suppliers before purchase.