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

Product Name
(3E,5E,7E)-9-[(3E)-2,4,4-Trimethyl-1-cyclohexen-3-ylidene]-3,7-dimethylnona-3,5,7-trien-1-ol
CAS No.
16729-22-9
Chemical Name
(3E,5E,7E)-9-[(3E)-2,4,4-Trimethyl-1-cyclohexen-3-ylidene]-3,7-dimethylnona-3,5,7-trien-1-ol
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 C (retro-Vitamin A);Vitamin A Impurity 3 (retro-Vitamin A)
CBNumber
CB22245160
Molecular Formula
C20H30O
Formula Weight
286.45
MOL File
16729-22-9.mol
More
Less

Hazard and Precautionary Statements (GHS)

More
Less

N-Bromosuccinimide Price

Arctom
Product number
AS042835
Product name
3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-2-en-1-ylidene)nona-3,5,7-trien-1-ol
Purity
98%
Packaging
1g
Price
$1882
Updated
2021/12/16
More
Less

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

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.

(3E,5E,7E)-9-[(3E)-2,4,4-Trimethyl-1-cyclohexen-3-ylidene]-3,7-dimethylnona-3,5,7-trien-1-ol Preparation Products And Raw materials

Raw materials

Preparation Products

More
Less

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

TLC Pharmaceutical Standards Ltd.
Tel
18012923235
Email
chinasales04@tlcstandards.com.cn
Country
China
ProdList
4916
Advantage
58
J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
Advantage
76
Chemsky (shanghai) International Co.,Ltd
Tel
021-50135380
Email
shchemsky@sina.com
Country
China
ProdList
15402
Advantage
60
ChemStrong Scientific Co.,Ltd
Tel
0755-0755-66853366 13670046396
Fax
0755-28363542
Email
sales@chem-strong.com
Country
China
ProdList
18070
Advantage
56
Sichuan Wei Keqi Biological Technology Co., Ltd.
Tel
028-81700200 18116577057
Fax
028-81705658
Email
3003855609@qq.com
Country
China
ProdList
7887
Advantage
56
Shanghai Kewel Chemical Co., Ltd.
Tel
021-64609169 18901607656
Fax
021-64609160
Email
greensnown@163.com
Country
China
ProdList
9906
Advantage
50
ShangHai Biochempartner Co.,Ltd
Tel
177-54423994 17754423994
Fax
QQ:2853530913
Email
2853530910@QQ.com
Country
China
ProdList
8012
Advantage
62
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Tel
+86-400-002-6226 +86-13028896684;
Email
sales@rrkchem.com
Country
China
ProdList
57423
Advantage
58
TOSUN PHARM
Tel
020-61855200 13326451905
Email
260366801@qq.com
Country
China
ProdList
7793
Advantage
58
Meng Cheng Technology (Shanghai) Co., LTD
Tel
400-820-6829
Email
sales@mitachieve.com
Country
China
ProdList
8860
Advantage
58
Hubei Xinyang Medical Technology Co., Ltd
Tel
15347293736 15347293736
Fax
QQ:2853117752
Email
2853117764@qq.com
Country
China
ProdList
8506
Advantage
58
Energy Chemical
Tel
021-58432009 400-005-6266
Fax
021-58436166
Email
marketing1@energy-chemical.com
Country
China
ProdList
44806
Advantage
58
Changzhou Xianglong Pharmaceutical Technology Co., LTD
Tel
18661161657
Email
yaoxiangqiu2021@163.com
Country
China
ProdList
9996
Advantage
58
QUALITY CONTROL SOLUTIONS LTD.
Tel
0755-66853366; 13670046396
Email
ORDERS@QCSRM.COM
Country
China
ProdList
24342
Advantage
58
Cato Research Chemicals Inc.
Tel
020-81960175-877 18933936954
Email
tianwen.zhan@cato-chem.com
Country
China
ProdList
7734
Advantage
58
Shanghai Zerui Biotechnology Co., Ltd.
Tel
021-54580889 18321124657
Fax
021-54580889
Email
731997554@qq.com
Country
China
ProdList
10608
Advantage
58
Hubei Moco Chemical Co., Ltd.
Tel
18627753421 18627756402
Fax
QQ:3001051413
Email
3001009495@qq.com
Country
China
ProdList
19063
Advantage
58
Cato Research Chemicals Inc.
Tel
13342851930
Email
3008394369@qq.com
Country
China
ProdList
15726
Advantage
58
Hubei Ruinuo Pharmaceutical Technology Co., Ltd
Tel
13165688766
Fax
0714-5316360
Email
3008058304@qq.com
Country
China
ProdList
3009
Advantage
58
China National Standard Pharmaceutical Corporation Limited
Tel
+8615391658522
Email
overseasales@yongstandards.com
Country
China
ProdList
11922
Advantage
58
Hangzhou MolCore BioPharmatech Co.,Ltd.
Tel
+86-057181025280; +8617767106207
Fax
0571-85806285
Email
sales@molcore.com
Country
China
ProdList
49734
Advantage
58

16729-22-9, (3E,5E,7E)-9-[(3E)-2,4,4-Trimethyl-1-cyclohexen-3-ylidene]-3,7-dimethylnona-3,5,7-trien-1-olRelated Search:


  • (3E,5E,7E)-9-[(3E)-2,4,4-Trimethyl-1-cyclohexen-3-ylidene]-3,7-dimethylnona-3,5,7-trien-1-ol
  • Vitamin A Impurity C
  • all-trans-retro-Vitamin A
  • all-trans-Retro Retinol
  • Retinol EP Impurity C
  • Vitamin A EP Impurity C
  • Vitamin A EP Impurity C (retro-Vitamin A, all-trans-Retro Retinol)
  • 4,14-retro-Retinol
  • Vitamin A Impurity C (retro-Vitamin A)
  • all-trans-Retro Retinol Discontinued
  • Vitamin A Impurity 3 (retro-Vitamin A)(Vitamin A EP Impurity C)
  • Vitamin A impurity C (EP)
  • Vitamin A Impurity 3 (retro-Vitamin A)
  • (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)
  • Vitamin A EP Impurity C(Mixture of Z and E Isomers)
  • 16729-22-9
  • Impurities
  • Intermediates & Fine Chemicals
  • Pharmaceuticals
  • Retinoids