午夜插插,噜噜噜影院,啪啪伊人网,欧美熟夫,景甜吻戏视频,男人强操性感蕾丝美女视频在线网站,日本美女跳舞视频

(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 Struktur
16729-22-9
CAS-Nr.
16729-22-9
Englisch Name:
(3E,5E,7E)-9-[(3E)-2,4,4-Trimethyl-1-cyclohexen-3-ylidene]-3,7-dimethylnona-3,5,7-trien-1-ol
Synonyma:
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
Summenformel:
C20H30O
Molgewicht:
286.45
MOL-Datei:
16729-22-9.mol

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

Sicherheit

(3E,5E,7E)-9-[(3E)-2,4,4-Trimethyl-1-cyclohexen-3-ylidene]-3,7-dimethylnona-3,5,7-trien-1-ol Chemische Eigenschaften,Einsatz,Produktion Methoden

Verwenden

A degradation product of Vitamin A (R252000). Vitamin A impurity.

Vorbereitung Methode

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 Upstream-Materialien And Downstream Produkte

Upstream-Materialien

HYDROBROMIC ACID >33% IN ACETIC ACID Vitamin-A-alkohol

Downstream Produkte

(3E,5E,7E)-9-[(3E)-2,4,4-Trimethyl-1-cyclohexen-3-ylidene]-3,7-dimethylnona-3,5,7-trien-1-ol Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.

Global( 28)Lieferanten
Firmenname Telefon E-Mail Land Produktkatalog Edge Rate
Hangzhou MolCore BioPharmatech Co.,Ltd. 		+86-057181025280; +8617767106207
 sales@molcore.com China 49734 58
China National Standard Pharmaceutical Corporation Limited 		+8615391658522
 overseasales@yongstandards.com China 11922 58
QUALITY CONTROL SOLUTIONS LTD. 		0755-66853366; 13670046396
 ORDERS@QCSRM.COM China 24342 58
TLC Pharmaceutical Standards Ltd. 18012923235
 chinasales04@tlcstandards.com.cn China 4927 58
J & K SCIENTIFIC LTD. 010-82848833 400-666-7788
 jkinfo@jkchemical.com China 96815 76
Chemsky (shanghai) International Co.,Ltd 021-50135380
shchemsky@sina.com China 15402 60
BOC Sciences 1-631-485-4226; 16314854226
 info@bocsci.com United States 14055 65
ChemStrong Scientific Co.,Ltd 0755-0755-66853366 13670046396
 sales@chem-strong.com China 18070 56
Sichuan Wei Keqi Biological Technology Co., Ltd. 028-81700200 18116577057
 3003855609@qq.com China 7787 56
Shanghai Kewel Chemical Co., Ltd. 021-64609169 18901607656
 greensnown@163.com China 9906 50

16729-22-9()Verwandte Suche:

  • (3E,5E,7E)-9-[(3E)-2,4,4-Trimethyl-1-cyclohexen-3-ylidene]-3,7-dimethylnona-3,5,7-trien-1-ol
  • all-trans-retro-Vitamin A
  • all-trans-Retro Retinol
  • Vitamin A Impurity C
  • Retinol EP Impurity C
  • Vitamin A EP Impurity C
  • 4,14-retro-Retinol
  • Vitamin A EP Impurity C (retro-Vitamin A, all-trans-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)
  • Vitamin A EP Impurity C（Mixture of Z and E Isomers）
  • (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)
  • 16729-22-9
  • Impurities
  • Intermediates & Fine Chemicals
  • Pharmaceuticals
  • Retinoids
Copyright 2019 ? ChemicalBook. All rights reserved