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17772

Sigma-Aldrich

视黄醇

≥95.0% (HPLC), ~2700 U/mg

同義詞:

全反式-3,7-二甲基-9-(2,6,6-三甲基-1-环己烯-1-基)-2,4,6,8-壬四烯-1-醇, 抗干眼醇, 维生素 A, 维生素 A 醇, 维生素 A1

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About This Item

經驗公式(希爾表示法):
C20H30O
CAS號碼:
分子量::
286.45
Beilstein:
403040
EC號碼:
MDL號碼:
分類程式碼代碼:
12352205
eCl@ss:
34058018
PubChem物質ID:
NACRES:
NA.79

生物源

synthetic

化驗

≥95.0% (HPLC)

形狀

(Powder or Crystal with Lumps)

比活性

~2700 U/mg

顏色

yellow to dark yellow

mp

61-63 °C (lit.)

運輸包裝

dry ice

儲存溫度

−20°C

SMILES 字串

CC1(C)C(/C=C/C(C)=C/C=C/C(C)=C/CO)=C(C)CCC1

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+

InChI 密鑰

FPIPGXGPPPQFEQ-OVSJKPMPSA-N

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一般說明

视网膜的视黄醇和视黄酸是一种醛,是维生素A的醇和酸形式。类视黄醇存在许多空间异构体,因为它的脂肪链有不饱和键。视黄醇具有广泛的生物活性。
视黄醇或全反式视黄醇是20碳分子,含环己烯基环、带四个双键(均为 反式 构型)的侧链和末端醇基。

應用

视黄醇作为标准品,通过超高效液相色谱-串联质谱仪(UPLC-MS / MS),检测和定量维生素。

生化/生理作用

视黄醇及其衍生物有抗衰老特性。视黄醇用于治疗皱纹和衰老迹象。然而,由于其对光不稳定加上对皮肤具有刺激性,几乎不用于化妆品配方。视黄醇也用作皮肤病的治疗剂。缺乏会导致干燥症和毛囊角化过度症。

單位定義

根据欧洲药典 II,217 (1983),1 U 相当于 1 国际 U

象形圖

Health hazardExclamation mark

訊號詞

Danger

危險分類

Aquatic Chronic 4 - Eye Irrit. 2 - Repr. 1B - Skin Sens. 1

儲存類別代碼

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

水污染物質分類(WGK)

WGK 1

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves


分析證明 (COA)

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