Molekula
4-Androstene-3,17-dione
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
4-Androstene-3,17-dione is a steroid hormone precursor used in biochemical research, pharmaceutical synthesis, and endocrinology studies. It serves as a key intermediate in the production of androgens and related compounds. This white crystalline powder has a CAS number of 63-05-8, molecular formula C19H26O2, and a molecular weight of 286.41. Store at ambient conditions, with a signal word of Danger due to its hazardous nature. Molekula supplies 4-Androstene-3,17-dione from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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5 g — £93.30 per pack ex VAT · £111.96 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Melting Point | 170—174 °C |
| Specific rotation | +193 — +202° |
| Loss on Drying | ≤0.5% |
| Assay | ≥98.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 158 °C |
| Density | 1.18 g/cm³ at 20 °C (GLP complianc |
| Water Solubility | 66 mg/L at 20 °C, pH 6.5 |
| log P (octanol/water) | 2.75 |
Source: PubChem CID 6128 (DrugBank, HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 15237310 |
| CAS Number | 63-05-8 |
| IUPAC Name | (8R,9S,10R,13S,14S)-10,13-dimethyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-3,17-dione |
| EC Number | 200-554-5 |
| Molecular Formula | C19H26O2 |
| Molecular Weight | 286.41 |
| Exact Mass | 286.1933 |
| SMILES | C[C@]12CCC(=O)C=C1CC[C@@H]3[C@@H]2CC[C@]4([C@H]3CCC4=O)C |
| InChIKey | AEMFNILZOJDQLW-QAGGRKNESA-N |
| InChI | InChI=1S/C19H26O2/c1-18-9-7-13(20)11-12(18)3-4-14-15-5-6-17(21)19(15,2)10-8-16(14)18/h11,14-16H,3-10H2,1-2H3/t14-,15-,16-,18-,19-/m0/s1 |
| PubChem CID | 6128 |
| REACH Code | Y110 |
| HTS Code | 29372990 |
| Tariff Code | 2937290000 |
Safety & GHS
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
Hazard statements
- H302 Harmful if swallowed
- H351 Suspected of causing cancer
- H360FD May damage fertility. May damage the unborn child.
- H362 May cause harm to breast-fed children
Precautionary statements
- P201 Obtain special instructions before use
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 3,17-Dioxoandrost-4-ene
- 4-Androstenedione
- Androst-4-ene-3,17-dione
- androstenedione
- Androtex
- delta-4-Androsten-3,17-dione
- delta-4-Androstenedione
- delta(sup 4)-Androstene-3,17-dione
- DELTA4-Androstene-3,17-dione
- SKF 2170
Frequently asked questions
What is 4-Androstene-3,17-dione used for?
It is primarily used as a steroid intermediate in pharmaceutical synthesis, including the production of hormones like testosterone and progesterone.
What is the chemical formula and molecular weight of 4-Androstene-3,17-dione?
The formula is **C₁₉H₂₆O₂**, and the molecular weight is **286.41 g/mol**.
What safety classification does this product have?
The product is labeled with the **signal word 'Danger'** due to its hazardous properties.
How should 4-Androstene-3,17-dione be stored?
Store at **ambient temperature** in a cool, dry place, away from incompatible substances.
Does Molekula offer this product in bulk quantities?
Yes, we can supply **4-Androstene-3,17-dione in bulk**—please inquire for specific packaging options.
What documentation comes with an order of this product?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.