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
Chemical PropertiesBack Directory
[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/h6,8-12,21H,7,13-15H2,1-5H3/b8-6+,16-11+,17-9+,19-12-
[InChIKey]

LWSSYLJSLZBNKE-LPWVNZKKSA-N
[SMILES]

C(O)C/C(/C)=C/C=C/C(/C)=C/C=C1\C(C)(C)CCC=C\1C
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: TLC Pharmaceutical Standards Ltd.  Gold
Telephone: 18012923235 18012923235
Website: http://www.tlcstandards.com
Company Name: J & K SCIENTIFIC LTD.  
Telephone: 18210857532 18210857532
Website: https://www.jkchemical.com
Company Name: Chemsky (shanghai) International Co.,Ltd  
Telephone: 021-50135380
Website: www.shchemsky.com
Company Name: S.Z. PhyStandard Bio-Tech. Co., Ltd.  
Telephone: 0755-4000505016 13380397412
Website: https://www.sincopharmachem.net
Company Name: Quality Control Solutions Ltd.  
Telephone: 0755-66853366 13670046396
Website: www.qcsrm.com
Company Name: Sichuan Wei Keqi Biological Technology Co., Ltd.  
Telephone: 028-81700200 18116577057
Website: https://www.weikeqi-biotech.com/
Company Name: Shanghai Kewel Chemical Co., Ltd.  
Telephone: 021-64609169 18901607656
Website: http://www.kewelchem.com/
Company Name: ShangHai Biochempartner Co.,Ltd  
Telephone: 177-54423994 17754423994
Website: www.biochempartner.com
Company Name: Shenzhen Polymeri Biochemical Technology Co., Ltd.  
Telephone: +86-400-002-6226
Website: https://www.rrkchem.com
Company Name: TOSUN PHARM  
Telephone: 020-66392521-118 18922260391
Website: www.toref.cn/
Company Name: Meng Cheng Technology (Shanghai) Co., LTD  
Telephone: 400-820-6829
Website: www.mitachieve.com
Company Name: Hubei Xinyang Medical Technology Co., Ltd  
Telephone: 15347293736
Website: www.standardpharm.cn/
Company Name: Energy Chemical  
Telephone: 400-0056266
Website: www.energy-chemical.com
Company Name: Changzhou Xianglong Pharmaceutical Technology Co., LTD  
Telephone: 18661161657
Website: http://www.xianglongpharm.com/
Company Name: QUALITY CONTROL SOLUTIONS LTD.  
Telephone: +86-0755-66853366 +86-13670046396
Website: https://www.qcsrm.com
Company Name: Cato Research Chemicals Inc.  
Telephone: 020-81960175-877 18933936954
Website: www.cato-chem.com/
Company Name: Shanghai Zerui Biotechnology Co., Ltd.  
Telephone: 021-54580889 18321124657
Website: http://www.zr-pharmaceutical.com
Company Name: Hubei Moco Chemical Co., Ltd.  
Telephone: 18627753421; 18627756402
Website: http://www.molcoo.com/
Tags:16729-22-9 Related Product Information
8001-69-2 2074-53-5 1224-78-8 35031-06-2 66879-87-6 26771-20-0 116-31-4 79-76-5 512-39-0 34356-30-4 22555-09-5 34356-29-1