ChemicalBook--->CAS DataBase List--->16729-22-9

16729-22-9

16729-22-9 Structure

16729-22-9 Structure
IdentificationBack Directory
[Name]

(3E,5E,7E)-9-[(3E)-2,4,4-Trimethyl-1-cyclohexen-3-ylidene]-3,7-dimethylnona-3,5,7-trien-1-ol
[CAS]

16729-22-9
[Synonyms]

4,14-retro-Retinol
Vitamin A Impurity C
Retinol EP Impurity C
Vitamin A EP Impurity C
all-trans-Retro Retinol
all-trans-retro-Vitamin A
Vitamin A impurity C (EP)
all-trans-Retro Retinol Discontinued
Vitamin A Impurity 3 (retro-Vitamin A)
Vitamin A Impurity C (retro-Vitamin A)
Vitamin A EP Impurity C(Mixture of Z and E Isomers)
Vitamin A Impurity 3 (retro-Vitamin A)(Vitamin A EP Impurity C)
Vitamin A EP Impurity C (retro-Vitamin A, all-trans-Retro Retinol)
(3E,5E,7E)-9-[(3E)-2,4,4-Trimethyl-1-cyclohexen-3-ylidene]-3,7-dimethylnona-3,5,7-trien-1-ol
(3E,5E,7E,9E)-3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-2-en-1-ylidene)nona-3,5,7-trien-1-ol (Vitamin A Impurity)
[Molecular Formula]

C20H30O
[MDL Number]

MFCD31563032
[MOL File]

16729-22-9.mol
[Molecular Weight]

286.45
Hazard InformationBack Directory
[Uses]

A degradation product of Vitamin A (R252000). Vitamin A impurity.
[Production Methods]

Retro-vitamin A is obtained by treatment of retinol in the presence of concentrated hydrobromic acid. In the case of retinoic acid and retinal, reisomerization is possible after conversion to appropriate derivatives such as the acid chloride or the hydroquinone adduct.
16729-22-9 suppliers list
Company Name: Hangzhou MolCore BioPharmatech Co.,Ltd.
Tel: +86-057181025280; +8617767106207 , +8617767106207
Website: https://www.molcore.com/
Company Name: China National Standard Pharmaceutical Corporation Limited
Tel: +8615391658522 , +8615391658522
Website: https://www.standardpharm.org.cn/
Company Name: QUALITY CONTROL SOLUTIONS LTD.
Tel: 0755-66853366; 13670046396 , 13670046396
Website: https://www.qcsrm.com
Company Name: TLC Pharmaceutical Standards Ltd.  Gold
Tel: 18012923235
Website: www.tlcstandards.com
Company Name: J & K SCIENTIFIC LTD.  
Tel: 010-82848833 400-666-7788
Website: http://www.jkchemical.com
Company Name: Chemsky (shanghai) International Co.,Ltd  
Tel: 021-50135380
Website: www.shchemsky.com
Company Name: BOC Sciences  
Tel: 1-631-485-4226; 16314854226
Website: https://www.bocsci.com
Company Name: ChemStrong Scientific Co.,Ltd  
Tel: 0755-0755-66853366 13670046396
Website: www.chem-strong.com
Company Name: Sichuan Wei Keqi Biological Technology Co., Ltd.  
Tel: 028-81700200 18116577057
Website: https://www.weikeqi-biotech.com/
Company Name: Shanghai Kewel Chemical Co., Ltd.  
Tel: 021-64609169 18901607656
Website: http://www.kewelchem.com/
Company Name: BOC Sciences  
Tel: 16314854226
Website: www.bocsci.com
Company Name: ShangHai Biochempartner Co.,Ltd  
Tel: 17754423994 17754423994
Website: https://www.biochempartner.com
Company Name: Shenzhen Polymeri Biochemical Technology Co., Ltd.  
Tel: +86-400-002-6226 +86-13028896684;
Website: https://www.rrkchem.com
Company Name: TOSUN PHARM  
Tel: 020-61855200 13326451905
Website: www.toref.cn/
Company Name: Cato Research Chemicals Inc.  
Tel: 020-81215950 4000-868-328
Website: www.cato-chem.com/default.aspx?lang=en
Company Name: Meng Cheng Technology (Shanghai) Co., LTD  
Tel: 400-820-6829
Website: www.mitachieve.com
Company Name: Hubei Xinyang Medical Technology Co., Ltd  
Tel: 15347293736 15347293736
Website: http://www.standardpharm.com
Company Name: Energy Chemical  
Tel: 021-58432009 400-005-6266
Website: http://www.energy-chemical.com
Tags:16729-22-9 Related Product Information
34356-30-4 512-39-0 79-76-5 116-31-4 26771-20-0 34356-29-1 66879-87-6 35031-06-2 22555-09-5 1224-78-8 2074-53-5 8001-69-2