Cyproterone acetate >=97.5% API Hormone made in china
2 Inquiries
427-51-0
2026-08-20
D-Biotin,Tobramycin base,L(-)-Carnitine base,Polymyxin B sulfate USP,Kanamycin sulfate monohydrate,Finasteride 99% USP
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Product Description
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Seller Information
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Inquiry History
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DescriptionHangzhou Dawn Ray Pharmaceutical Co.,Ltd, with approximately 67451 visits to its shop, is a reputable Manufactory that has been providing Cyproterone acetate >=97.5% API Hormone made in china products for 5 years on ECHEMI.Basic Info
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Product Name:
Cyproterone acetate
Other Name:3′H-Cyclopropa[1,2]pregna-1,4,6-triene-3,20-dione,17-(acetyloxy)-6-chloro-1,2-dihydro-,(1β,2β)-;3′H-Cyclopropa[1,2]pregna-1,4,6-triene-3,20-dione,6-chloro-1β,2β-dihydro-17-hydroxy-,acetate;Pregna-4,6-diene-3,20-dione,6-chloro-17-hydroxy-1α,2α-methylene-,acetate;Cyclopropa[1,2]cyclopenta[a]phenanthrene,3′H-cyclopropa[1,2]pregna-1,4,6-triene-3,20-dione deriv.;(1β,2β)-17-(Acetyloxy)-6-chloro-1,2-dihydro-3′H-cyclopropa[1,2]pregna-1,4,6-triene-3,20-dione;SH 714;17α-Acetoxy-6-chloro-1α,2α-methylenepregna-4,6-diene-3,20-dione;6-Chloro-1,2α-methylene-6-dehydro-17α-hydroxyprogesterone acetate;6-Chloro-17-hydroxy-1α,2α-methylenepregna-4,6-diene-3,20-dione acetate;6-Chloro-1,2α-methylene-17α-hydroxy-Δ6-progesterone acetate;Cyproterone acetate;1,2α-Methylene-6-chloro-pregna-4,6-diene-3,20-dione 17α-acetate;1,2α-Methylene-6-chloro-Δ4,6-pregnadien-17α-ol-3,20-dione acetate;Cyproterone 17α-acetate;3′H-Cyclopropa[1,2]pregna-1,4,6-triene-3,20-dione;Cyproterone 17-O-acetate;1,2α-Methylene-6-chloro-17α-acetoxy-4,6-pregnadiene-3,20-dione;Androcur;Cyproviron;Cyprostat;CPA;NSC 81430;Androcur Depot
CAS No.:427-51-0
Molecular Formula:C24H29ClO4
InChIKeys:InChIKey=UWFYSQMTEOIJJG-FDTZYFLXSA-N
Molecular Weight:416.94
Exact Mass:416.94
EC Number:207-048-3
UNII:4KM2BN5JHF
NSC Number:81430
DSSTox ID:DTXSID5020366
NCI Thesaurus Code:C1059
Color/Form:Crystals from diisopropyl ether|White crystalline powder
HScode:2937290090
Categories:
Characteristics-
PSA:
60.4
XLogP3:3.6
Appearance:Odour
Density:1.3±0.1 g/cm3
Melting Point:200-201 °C
Boiling Point:525.9°C at 760 mmHg
Flash Point:177.6±29.1 °C
Refractive Index:1.582
Water Solubility:Practically insoluble in water, very soluble in methylene chloride, freely soluble in acetone, soluble in methanol, sparingly soluble in anhydrous ethanol.
Storage Conditions:2-8°C
Vapor Pressure:4.27X10-7 mm Hg at 25 deg C (est)
Specific rotation:Specific rotation = +152 deg to +157 deg at 20 °C
Henrys Law Constant:Henry's Law constant = 4.25X10-90 atm-cu m/mol at 25 °C (est)
Collision Cross Section:199.4 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine and drug standards]
Experimental Properties:Crystals from acetate, mp 237.5-240 °C /Cyproterone/|Hydroxyl radical reaction rate constant = 1.87X10-10 cu cm/molec-sec at 25 °C (est)|Ozone radical reaction rate constant = 5.2X10-17 cu cm/molec-sec at 25 °C (est)
Hazard IdentificationClassification of the substance or mixture
Acute toxicity - Category 4, Dermal
Acute toxicity - Category 4, Inhalation
Carcinogenicity, Category 2
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Warning
Hazard statement(s) H312 Harmful in contact with skin
H332 Harmful if inhaled
H351 Suspected of causing cancer
Precautionary statement(s) Prevention P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P271 Use only outdoors or in a well-ventilated area.
P203 Obtain, read and follow all safety instructions before use.
Response P302+P352 IF ON SKIN: Wash with plenty of water/...
P317 Get medical help.
P321 Specific treatment (see ... on this label).
P362+P364 Take off contaminated clothing and wash it before reuse.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P318 IF exposed or concerned, get medical advice.
Storage P405 Store locked up.
Disposal P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Keep container tightly closed in a dry and well-ventilated place. Recommended storage temperature: 2 - 8 deg C
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Seller Information
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Business Type:
Manufactory
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Main Products:
D-Biotin,Tobramycin base,L(-)-Carnitine base,Polymyxin B sulfate USP,Kanamycin sulfate monohydrate,Finasteride 99% USP
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Location:
1613 Guangyin Building,No.42 E.Fengqi Road,Hangzhou,310012 China.
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Payment Terms:
TT against copy of documents,L/C
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Average lead Time:
7
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Total Annual Revenue:
$25 million-$50 million
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Total Employees:
11-50
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Year of Establishment:
2011
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Inquiry History2 Inquiries
Country Product Purchase Quantity Date Posted 
Germany
cyproterone acetate
100 G May 5, 2025 
United States
Cyproterone acetate >=97.5% API Hormone made in china
10 G Jun 29, 2025 Post an enquiry for this product