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CAS No 68-26-8 , (2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohexen-1-yl)nona-2,4,6,
8-tetraen-1-ol

  • Name: (2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohexen-1-yl)nona-2,4,6,
    8-tetraen-1-ol
  • Synonyms: Apostavit; Oleovitamin A; Axerophthol; Vitamin A1; all-trans-Retinol; Vitamin A; Alphasterol; trans-retinol;retinol;(2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohexen-1-yl)nona-2,4,6,
    8-tetraen-1-ol; Alphalin;
  • CAS Registry Number:
  • Transport: UN 1208 3/PG 2
  • Melting Point: 61-63 ºC
  • Flash Point: 147.3ºC
  • Boiling Point: 137-138
  • Density: 0.954 g/cm3
  • Refractive index: 1.641
  • Safety Statements: R22;R38
  • Hazard Symbols: Xn: Harmful;
  • Flash Point: 147.3ºC
  • EINECS: 200-683-7
  • Molecular Weight: 286.4516
  • InchiKey: FPIPGXGPPPQFEQ-OVSJKPMPSA-N
  • InChI: InChI=1S/C20H30O/c1-16(8-6-9-17(2)13-15-21)11-12-19-18(3)10-7-14-20(19,
    4)5/h6,8-9,11-13,21H,7,10,14-15H2,1-5H3/b9-6+,12-11+,16-8+,17-13+
  • Risk Statements: R22;R38
  • Molecular Formula: C20H30O
  • Molecular Structure:CAS No:68-26-8 (2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohexen-1-yl)nona-2,4,6,<br />8-tetraen-1-ol
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68-26-8 Factory Supply 99% High Purity VITAMIN A with Good Price

  • Product name:VITAMIN A CAS No.:68-26-8 Molecular formula:C20H30O Molecular weight:286.45 Product Specifications:Pharmacopoeial grade Purity:99%+ Email: dahuasales02@whdhwy.com WhatApp/WeChat:+86 15623424115
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  • China Wuhan Dahua Weiye Pharmaceutical Devolepment Co.,Ltd [Manufacturer]
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68-26-8 Vitamin A

  • product Name: Vitamin A Synonyms: 2,4,6,8-nonatetraen-1-ol, 3,7-dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-, (all-E)-; 3,7-dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4,6,8-nonatetraen-1-ol; ACON; afaxin; agiolan; Alphalin; all-trans-retinyl...
  • Min. Order: 2000
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  • China Hubei Yuancheng Saichuang Technology Co., Ltd. [Manufacturer, Trading Company]
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  • Address: 496# Zhongshan Road,Wuchang, Wuhan,Hubei,China wuhan ,HubeiChina
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68-26-8 Vitamin A

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68-26-8 ALL-TRANS-RETINOL CRYSTALLINE ~2700 U MG

  • Hong kong Advanced Technology & Industrial Co., Ltd. [Manufacturer]
  • Tel: (852) 2390 2293/ (852) 2394 5546
  • Fax: (852) 2789 8314
  • Address: Unit B, 1/F., Cheong Shing Bldg.,
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    Hong Kong ,Hong kong
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68-26-8 Vitamin A(Retinol)

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68-26-8 Vitamin A

  • China Simag Chemicals [Manufacturer]
  • Tel: +86 592 2680277
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  • Address: Simag Chemicals
    A-9D Atlantic sea view city,
    No.9 Hubin West Rd.,
    Xiamen China. ,China
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68-26-8 Vitamin A

  • Hong kong ADVANCED TECH. & IND. CO., LTD. [Distributor/Wholesaler]
  • Tel: 86-23902293
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  • Address: UNIT B, 1/F, CHEONG SHING IND. BLDG., 17 WALNUT ST., TAI KOK TSUI, KLN, HONG KONG Hong Kong,nilHong kong
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68-26-8 all-trans-Retinol

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68-26-8 RETINOL

  • Germany BIOTREND Chemikalien GmbH [Manufacturer]
  • Tel: ++49 (0)2 21 9 49 83 20
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  • Address: BIOTREND Chemikalien GmbH
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    D - 50933 Cologne
    Germany ,Germany
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68-26-8 all-trans-Retinol

  • China Betapharma(Shanghai)Co., Ltd. []
  • Tel: +86-(21)-33538380
  • Fax: +86-(21)-32082820
  • Address: No.17#-6D. 830 Lane, Maotai Road, Shanghai 200336, ,China
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References of (2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohexen-1-yl)nona-2,4,6,
8-tetraen-1-ol
Title: Vitamin A
CAS Registry Number: 68-26-8
CAS Name: Retinol
Synonyms: all-trans-retinol; (all-E)-3,7-dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4,6,8-nonatetraen-1-ol; anti-infective vitamin; antixerophthalmic vitamin; axerophthol; lard-factor; oleovitamin A; ophthalamin (obsolete); vitamin A1; vitamin A alcohol
Trademarks: Aquasol A (AAI); Avibon (Aventis); Avitol (Lannacher); Vogan (Merck KGaA)
Molecular Formula: C20H30O
Molecular Weight: 286.45
Percent Composition: C 83.86%, H 10.56%, O 5.59%
Literature References: Fat soluble, essential micronutrient. Occurs preformed only in animals; metabolized from carotenoids, such as b-carotene, q.v., in the intestinal mucosa. Dietary sources include liver, milk, butter, cheese, eggs and fish liver oils or as carotenoids from fruits and vegetables. Stored primarily in the liver in esterified form; transported in the blood by retinol binding protein (RBP). Oxidized to retinal, q.v., a key component of the visual system, and to retinoic acid, q.v., which effects gene expression via specific nuclear receptors. Identification as essential nutrient in butter and egg: E. V. McCollum, M. Davis, J. Biol. Chem. 15, 167 (1913). Isoln from fish oil: P. Karrer et al., Helv. Chim. Acta 14, 1036 (1931). Structure: eidem, ibid. 1431; I. M. Heilbron et al., Biochem. J. 26, 1194 (1932). Synthesis: O. Isler et al., Helv. Chim. Acta 30, 1911 (1947); N. L. Wendler et al., J. Am. Chem. Soc. 72, 234 (1950); T. Mukaiyama, A. Ishida, Chem. Lett. 1975, 1201. Stereospecific synthesis: P. S. Manchand et al., Helv. Chim. Acta 59, 567 (1976); G. Cardillo et al., J. Chem. Soc. Perkin Trans. 1 1979, 1729. Toxicology: J. J. Kamm, J. Am. Acad. Dermatol. 6, 652 (1982). Review: W. Friedrich in Vitamins (Walter de Gruyter, New York, 1988) pp 63-140. Book: The Retinoids, M. B. Sporn et al., Eds. (Raven Press, New York, 1994) 679pp. Review of role in vision: R. K. Crouch et al., Photochem. Photobiol. 64, 613-621 (1996); of physiological functions and dietary requirements in humans: H. Gerster, Int. J. Vitam. Nutr. Res. 67, 71-90 (1997); of metabolism and transport: E. H. Harrison, Annu. Rev. Nutr. 18, 259-276 (1998).
Properties: Solvated crystals from polar solvents, such as methanol or ethyl formate. mp 62-64°. Distills at 120-125° at 5′10-3 mm pressure. nD22 1.6410 (calculated from refractive indexes of 20-70% solns in mineral oil). uv max (ethanol): 324-325 nm (E1%1cm 1835). Practically insol in water or glycerol. Sol in abs alcohol, methanol, chloroform, ether, fats and oils. Exhibits a yellow-green fluorescence when irradiated with Xuv light. LD50 (10 day) in mice (mg/kg): 1510 i.p.; 2570 orally (Kamm).
Melting point: mp 62-64°
Index of refraction: nD22 1.6410 (calculated from refractive indexes of 20-70% solns in mineral oil)
Absorption maximum: uv max (ethanol): 324-325 nm (E1%1cm 1835)
Toxicity data: LD50 (10 day) in mice (mg/kg): 1510 i.p.; 2570 orally (Kamm)
 
Derivative Type: Acetate
CAS Registry Number: 127-47-9
Molecular Formula: C22H32O2
Molecular Weight: 328.49
Percent Composition: C 80.44%, H 9.82%, O 9.74%
Properties: Pale yellow prismatic crystals from methanol, mp 57-58°. uv max (ethanol): 326 nm (E1%1cm 1550). LD50 (10 day) orally in mice: 4100 mg/kg (Kamm).
Melting point: mp 57-58°
Absorption maximum: uv max (ethanol): 326 nm (E1%1cm 1550)
Toxicity data: LD50 (10 day) orally in mice: 4100 mg/kg (Kamm)
 
Derivative Type: Palmitate
CAS Registry Number: 79-81-2
Trademarks: Arovit (Roche); Optovit-A (Hermes)
Molecular Formula: C36H60O2
Molecular Weight: 524.86
Percent Composition: C 82.38%, H 11.52%, O 6.10%
Properties: Predominant storage form of vitamin A in the liver. Amorphous or cryst. mp 28-29°. uv max (ethanol): 325-328 nm (E1%1cm 975). LD50 (10 day) in mice, rats (mg/kg): 6060, 7910 orally (Kamm).
Melting point: mp 28-29°
Absorption maximum: uv max (ethanol): 325-328 nm (E1%1cm 975)
Toxicity data: LD50 (10 day) in mice, rats (mg/kg): 6060, 7910 orally (Kamm)
 
Derivative Type: 13-cis Form see Neovitamin A
 
Therap-Cat: Vitamin (antixerophthalmic).
Therap-Cat-Vet: Nutritional factor.
Keywords: Vitamin/Vitamin Source; Vitamin A.