Name | melengestrol acetate |
Synonyms | 5373 NSC-70968 Melengestrol Acerate melengestrol acetate 6-dehydro-16-methylene-6-methyl-17-acetoxyprogesterone 6-Methyl-16-methylene-3,20-dioxopregna-4,6-dien-17-yl acetate 20-dione,17-(acetyloxy)-6-methyl-16-methylene-pregna-6-diene-3 17-(Acetyloxy)-6-methyl-16-methylenepregna-4,6-diene-3,20-dione 6-methyl-16-methylidene-3,20-dioxopregna-4,6-dien-17-yl acetate 6-diene-3,20-dione,17-hydroxy-6-methyl-16-methylene-pregna-acetate 17-Hydroxy-6-methyl-16-methylenepregna-4,6-diene-3, 20-dione acetate |
CAS | 2919-66-6 |
EINECS | 220-859-7 |
InChI | InChI=1/C25H32O4/c1-14-11-19-20(23(5)9-7-18(28)13-21(14)23)8-10-24(6)22(19)12-15(2)25(24,16(3)26)29-17(4)27/h11,13,19-20,22H,2,7-10,12H2,1,3-6H3/t19-,20+,22+,23-,24+,25+/m1/s1 |
Molecular Formula | C25H32O4 |
Molar Mass | 396.52 |
Density | 1.0911 (rough estimate) |
Melting Point | 202-204°C(lit.) |
Boling Point | 440.2°C (rough estimate) |
Specific Rotation(α) | D23 -127° (c = 0.31 in chloroform) |
Flash Point | 221.7°C |
Solubility | Chloroform (Sparingly), Ethyl Acetate (Slightly), Methanol (Slightly) |
Vapor Presure | 9.29E-11mmHg at 25°C |
Appearance | neat |
Color | Off-White to Beige |
BRN | 2066919 |
Storage Condition | 0-6°C |
Refractive Index | 1.6000 (estimate) |
Physical and Chemical Properties | Light yellow crystalline powder |
Hazard Symbols | Xn - Harmful![]() |
Risk Codes | 62 - Possible risk of impaired fertility |
Safety Description | 36 - Wear suitable protective clothing. |
WGK Germany | 3 |
RTECS | TU4141000 |
HS Code | 29372390 |
Toxicity | LD50 (mg/kg): >8000 orally in rats; >2500 i.p. in mice (Zimbelman) |
Reference Show more | 1. [IF=7.514] Suo Decheng et al."Trace analysis of progesterone and 21 progestins in milk by ultra-performance liquid chromatography coupled with high-field quadrupole-orbitrap high-resolution mass spectrometry."Food Chem. 2021 Nov;361:130115 |