- Plant Extract[10]
- Sunscreen[1]
- Daily Chemicals[2]
- Flavour & Fragrance[1]
- Food Additives[7]
- Organic Intermediate[4]
- Other Chemicals[1]
- Pharmaceutical[8]
- Contact Person : Mr. Qian William
- Company Name : Nanjing Gemsen International Co., Ltd.
- Tel : 86-25-58074061
- Fax : 86-25-58074065
- Address : Jiangsu,Nanjing,Suit 2003, Ruihua Mansion, #315 Zhongshan NanLu
- Country/Region : China
- Zip : 210001
High quality Progesterone ( CAS NO.:57-83-0 )
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Progesterone
1.Progesterone 2.White or almost white crystalline powder
3.Professional manufacture 4.High quality competitive price 5.Hot sale
Description
Progesterone also known as P4 (pregn-4-ene-3,20-dione) is a C-21 steroid hormone involved in the female menstrual cycle, pregnancy (supports gestation) and embryogenesis of humans and other species. Progesterone belongs to a class of hormones called progestogens, and is the major naturally occurring human progestogen.
CAS No.: 57-83-0
MF: C21H30O2
MW: 314.27
Place of Origin: Jiangsu China (Mainland)
Analyse
Items | Specifications (USP34) |
Appearance | White or creamy white crystalline powder |
Identification: A: Infrared absorption <197K> B: Ultraviolet absorption <197U> | The IR spectrum of sample, exhibits maxima only at the same wavelength as that a similar preparation of USP Progesterone RS. The UV absorption spectra of the test solution and the standard solution exhibit maxima at the same wavelengths. |
Melting Range <741> | 126°C~131°C |
Specific Rotation <781S> (on the dried basis) | +175°~+183° |
Loss on Drying <731> | ≤0.5% |
Related Substances | Any Impurity: ≤0.5% Total Impurities: ≤0.8% |
Residual Solvents <467> | Methanol: ≤500ppm Ethanol: ≤2000ppm Toluene: ≤300ppm Cyclohexanone: ≤50ppm |
Assay (on the dried basis) | 97.0%~103.0% |
High quality Progesterone ( CAS NO.:57-83-0 )