Product Name

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  • Name

    Testosterone undecanoate

  • EINECS 227-712-6
  • CAS No. 5949-44-0
  • Article Data5
  • CAS DataBase
  • Density 1.03 g/cm3
  • Solubility
  • Melting Point 39-42°C(lit.)
  • Formula C30H48O3
  • Boiling Point 550.7 °C at 760 mmHg
  • Molecular Weight 456.709
  • Flash Point 230.3 °C
  • Transport Information
  • Appearance White crystalline powder
  • Safety
  • Risk Codes R36/37/38; R43; R42/43
  • Molecular Structure Molecular Structure of 5949-44-0 (Testosterone undecanoate)
  • Hazard Symbols Xn,Xi
  • Synonyms Testosterone,undecanoate (6CI,7CI,8CI);Undecanoic acid, ester with testosterone (8CI);Andriol;Andriol Testocaps;Nebido;Org 538;Testosterone undecylate;Undestor;
  • PSA 43.37000
  • LogP 7.96090

Testosterone undecanoate Standards and Recommendations

Purity: 98.0%

Testosterone undecanoate Specification

The IUPAC name of Testosterone undecanoate is [(8R,9S,10R,13S,14S,17S)-10,13-dimethyl-3-oxo-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl] undecanoate. With the CAS registry number 5949-44-0, it is also named as 3-Oxoandrost-4-en-17beta-yl undecanoate. The product's categories are Intermediates & Fine Chemicals; Metabolites & Impurities; Pharmaceuticals; Steroids. It is an ester of testosterone which is used for the treatment of male hypogonadism and aplastic anemia. It is also available in an injectable form (Reandron 1000).

The other characteristics of Testosterone undecanoate can be summarized as: (1)ACD/LogP: 9.15; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 9.15; (4)ACD/LogD (pH 7.4): 9.15; (5)#H bond acceptors: 3; (6)#H bond donors: 0; (7)#Freely Rotating Bonds: 11; (8)Polar Surface Area: 43.37 Å2; (9)Index of Refraction: 1.522; (10)Molar Refractivity: 134.37 cm3; (11)Molar Volume: 440.3 cm3; (12)Polarizability: 53.27×10-24 cm3; (13)Surface Tension: 40.8 dyne/cm; (14)Enthalpy of Vaporization: 83.08 kJ/mol; (15)Vapour Pressure: 3.57E-12 mmHg at 25°C; (16)Rotatable Bond Count: 11; (17)Tautomer Count: 5; (18)Exact Mass: 456.360345; (19)MonoIsotopic Mass: 456.360345; (20)Topological Polar Surface Area: 43.4; (21)Heavy Atom Count: 33; (22)Complexity: 739; (23)Defined Atom StereoCenter Count: 6.

People can use the following data to convert to the molecule structure. 
1. SMILES:O=C4\C=C2/[C@]([C@H]1CC[C@@]3([C@@H](OC(=O)CCCCCCCCCC)CC[C@H]3[C@@H]1CC2)C)(C)CC4
2. InChI:InChI=1/C30H48O3/c1-4-5-6-7-8-9-10-11-12-28(32)33-27-16-15-25-24-14-13-22-21-23(31)17-19-29(22,2)26(24)18-20-30(25,27)3/h21,24-27H,4-20H2,1-3H3/t24-,25-,26-,27-,29-,30-/m0/s1 
3. InChIKey:UDSFVOAUHKGBEK-CNQKSJKFBQ

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