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CAS No 50-14-6 , Vitamin D2 Search by region : China

  • Name: Vitamin D2
  • Synonyms: Mykostin; Ergocalciferol; Infron; Dee-osterol; Rocaltrol; Fortodyl; Hi-deratol; Dee-ron; Ergosterol, activated; Calderol; Ergocalciferol; 9,10-Secoergosta-5,7,10(19),22-tetraen-3-ol, (3beta,5Z,7E,22E)-; Dee-ronal; Daral; Viosterol; Divit urto; Calciferol; 9,10-Secoergosta-5,7,10,22-tetraen-3-ol; Vitavel-D; Ostelin; Condacaps; Calciferon 2; Condol; Oleovitamin D2; Vitamin D; Diactol; Secoergosta-5,7,10(19),22-tetraen-3-ol, (3beta,5Z,7E,22E)-; Crystallina; Radiostol; DHT; Hytakerol; Davitin; Radsterin; Deltalin; Oleovitamin D2; Crtron;(3beta)-9,10-Secoergosta-5,7,10(19),22-tetraen-3-ol; Arthin; Ergorone; Calciferolum; Drisdol; Ergocalciferolum; Deratol; Mulsiferol; Shock-ferol; Doral; BUCO-D; Decaps; Ertron; Metadee; Davitamon D;Vitamin D2; Detalup;Calciferol; Geltabs;
  • CAS Registry Number:
  • Transport: UN 2811
  • Melting Point: 115-119 ºC
  • Flash Point: 218.2 ºC
  • Boiling Point: 504.2 ºC at 760 mmHg
  • Density: 0.97 g/cm3
  • Refractive index: 1.53
  • Alpha: 82 º (C=3, IN ACETONE 25 ºC)
  • Water Solubility: H2O: 200 mg/mL, clear to hazy
  • Safety Statements: R24/25;R26;R48/25
  • Hazard Symbols: T+: Very toxic;
  • Flash Point: 218.2 ºC
  • EINECS: 200-014-9
  • Molecular Weight: 396.65
  • InChI: InChI=1/C28H44O/c1-19(2)20(3)9-10-22(5)26-15-16-27-23(8-7-17-28(26,27)6)12-13-24-18-25(29)14-11-21(24)4/h9-10,12-13,19-20,22,25-27,29H,4,7-8,11,14-18H2,1-3,5-6H3/b10-9+,23-12+,24-13-/t20-,22+,25-,26+,27-,28+/m0/s1
  • Risk Statements: S28A;S36/37;S45
  • Molecular Formula: C28H44O
  • Molecular Structure:CAS No:50-14-6 Vitamin D2

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References of Vitamin D2
Title: Vitamin D2
CAS Registry Number: 50-14-6
CAS Name: (3b,5Z,7E,22E)-9,10-Secoergosta-5,7,10(19),22-tetraen-3-ol
Synonyms: calciferol; ergocalciferol; oleovitamin D2; activated ergosterol; viosterol
Trademarks: Condol; Decaps; Dee-Ron; Deltalin (Lilly); De-Rat Concentrate (Rentokil); Deratol (Brewer); Detalup (Bayer); Diactol; Divit Urto; Drisdol (Winthrop); D-Tracetten; Ergorone; Ertron; Fortodyl; Hi-Deratol; Infron (Whittier); Metadee; Mina D2; Mulsiferol; Mykostin; Ostelin; Radiostol; Radsterin; Shock-Ferol; Sterogyl (Roussel Diamant); Uvesterol-D (Crinex); Vio-D (Rowell)
Molecular Formula: C28H44O
Molecular Weight: 396.65
Percent Composition: C 84.78%, H 11.18%, O 4.03%
Literature References: The synthetic form of vitamin D. Prepd from ergosterol by uv irradiation in a suitable solvent: Askew et al., Proc. Roy. Soc. London B109, 488 (1931/32). The best wavelengths for production of vitamin D2 seem to be from 275 to 300 nm: Knudson, Benford, J. Biol. Chem. 124, 287 (1938); Bunker et al., J. Am. Chem. Soc. 62, 508 (1940). Prepn by electron bombardment of ergosterol using longer waves: AT 119210. Manuf: US 1902785 (1933); US 2030792 (1936); US 1680818 (1928); US 1871136 (1932). Direct total synthesis: B. Lythgoe et al., Tetrahedron Lett. 1977, 3685. Discussion of structural problems: Papers by Askew and Windaus et al., beginning in 1930. Stereochemistry: Crowfoot, Dunitz, Nature 162, 608 (1948); Chem. Ind. (London) 1957, 1149. General review: Inhoffen, Angew. Chem. 72, 875 (1960). A polar, biologically active metabolite of vitamin D2, 25-hydroxyergocalciferol, which is ~1.5 times more active in curing rickets in rats, has been isolated from pig plasma. See Suda et al., Biochem. Biophys. Res. Commun. 35, 182 (1969); eidem, Biochemistry 8, 3515 (1969).
Properties: Prisms from acetone, mp 115-118°. Sublimes in very high vacuum (0.0006 mm) without dec. [a]D25 +82.6° (c = 3 in acetone); [a]D20 +102.5° (alcohol); [a]D20 +52° (CHCl3). uv max (hexane): 264.5 nm (E1%1cm 458.9 ± 7.5). Not precipitated by digitonin (diff from ergosterol). Insol in water. Sol in the usual organic solvents. 1 ml acetone dissolves 0.0695 g at 7°. Slightly sol in vegetable oils. Commercial solns are usually made with propylene glycol or sesame oil. Vitamin D2 crystals have a potency of 40 units of vitamin D (U.S.P.) per mg. The behavior in storage is described under vitamin D3. See also Huber, Barlow, J. Biol. Chem. 149, 125 (1943) for stability information.
Melting point: mp 115-118°
Optical Rotation: [a]D25 +82.6° (c = 3 in acetone); [a]D20 +102.5° (alcohol); [a]D20 +52° (CHCl3)
Absorption maximum: uv max (hexane): 264.5 nm (E1%1cm 458.9 ± 7.5)
Use: Rodenticide.
Therap-Cat: Vitamin (antirachitic).
Therap-Cat-Vet: Nutritional factor (antirachitic). Low activity in poultry.
Keywords: Vitamin/Vitamin Source; Vitamin D.