Molekula
Cyproterone acetate
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
Cyproterone acetate is a synthetic steroid hormone used primarily in the treatment of androgen-dependent conditions such as acne, hirsutism, and prostate cancer. It acts as an anti-androgen and progestin. Available in powder form with a CAS number of 427-51-0, molecular formula C24H29ClO4, and molecular weight 416.94 g/mol. Store at 2 to 8 °C. Signal word: Warning. Molekula supplies Cyproterone acetate 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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1 g — £93.30 per pack ex VAT · £111.96 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White to off-white crystalline powder |
| Melting Point | ~210℃ |
| Loss on Drying | ≤0.5% |
| Sulphated Ash | ≤0.1% |
| Specific optical rotation | +152 to +157 |
| Assay (UV) | 97 - 103% |
| Total Impurities | ≤0.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Melting Point | 200-201 °C |
| Solubility (other solvents) | Very soluble in dichloromethane and acetone; soluble in methanol; sparingly soluble in ethanol |
Source: PubChem CID 9880 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 36889999 |
| CAS Number | 427-51-0 |
| IUPAC Name | [(1S,2S,3S,5R,11R,12S,15R,16S)-15-acetyl-9-chloro-2,16-dimethyl-6-oxo-15-pentacyclo[9.7.0.02,8.03,5.012,16]octadeca-7,9-dienyl] acetate |
| EC Number | 207-048-3 |
| Molecular Formula | C24H29ClO4 |
| Molecular Weight | 416.94 |
| Exact Mass | 416.1754 |
| SMILES | CC(=O)[C@]1(CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2C=C(C4=CC(=O)[C@@H]5C[C@@H]5[C@]34C)Cl)C)OC(=O)C |
| InChIKey | UWFYSQMTEOIJJG-FDTZYFLXSA-N |
| InChI | InChI=1S/C24H29ClO4/c1-12(26)24(29-13(2)27)8-6-16-14-10-20(25)19-11-21(28)15-9-18(15)23(19,4)17(14)5-7-22(16,24)3/h10-11,14-18H,5-9H2,1-4H3/t14-,15+,16-,17-,18-,22-,23-,24-/m0/s1 |
| PubChem CID | 9880 |
| REACH Code | Y110 |
| HTS Code | 29372990 |
| Tariff Code | 2937290000 |
Safety & GHS
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H312 Harmful in contact with skin
- H332 Harmful if inhaled
- H351 Suspected of causing cancer
- H361 Suspected of damaging fertility or the unborn child
- H362 May cause harm to breast-fed children
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P263 Avoid contact during pregnancy/while nursing
- P264 Wash thoroughly after handling
- 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
- Andro-Diane
- Androcur
- CyPat
- Cyprone
- Cyprostat
- Cyproteronazetat
- Cyproterone 17-O-acetate
- Cyproterone 17alpha-acetate
- Dianette
- SH 714
Frequently asked questions
What is Cyproterone acetate used for?
Cyproterone acetate is primarily used in the treatment of hormone-sensitive conditions such as prostate cancer and hyperandrogenism, and is also used in hormone therapy for transgender individuals.
What is the chemical formula and molecular weight of Cyproterone acetate?
The chemical formula is C24H29ClO4 and the molecular weight is 416.94 g/mol.
How should Cyproterone acetate be stored?
It should be stored at 2 to 8 °C, protected from light and moisture.
What grade of Cyproterone acetate does Molekula supply?
Molekula supplies Cyproterone acetate in research-grade purity, suitable for laboratory use.
Can Molekula supply Cyproterone acetate in bulk quantities?
Yes, Molekula can supply Cyproterone acetate in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a purchase of Cyproterone acetate?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
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.