所有图片(1)

47763

Supelco

胆钙化固醇(维生素 D3)

analytical standard

别名:
胆钙化醇, 活化7-脱氢胆固醇, (+)-维生素 D3, 胆骨化醇, 活化7-脱氢胆甾醇
Empirical Formula (Hill Notation):
C27H44O
CAS号:
分子量:
384.64
Beilstein:
2339331
EC 号:
MDL编号:
PubChem化学物质编号:

质量水平

100

等级

analytical standard

形式

solid

CofA

current certificate can be downloaded

特点

standard type fat soluble vitamin

包装

ampule of 100 mg

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

颜色

white

mp

83-86 °C (lit.)

application(s)

food and beverages

格式

neat

储存温度

2-8°C

SMILES string

CC(C)CCC[C@@H](C)[C@@]1([H])CC[C@@]([C@]1(C)CCC/2)([H])C2=C\C=C(C[C@@H](O)CC3)/C3=C

InChI

1S/C27H44O/c1-19(2)8-6-9-21(4)25-15-16-26-22(10-7-17-27(25,26)5)12-13-23-18-24(28)14-11-20(23)3/h12-13,19,21,24-26,28H,3,6-11,14-18H2,1-2,4-5H3/b22-12+,23-13-/t21-,24+,25-,26+,27-/m1/s1

InChI key

QYSXJUFSXHHAJI-YRZJJWOYSA-N

Gene Information

human ... VDR(7421)

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一般描述

胆钙化醇(D3)是一种脂溶性维生素,属于维生素D的一种形式,可在暴露于太阳光紫外线(UV)下的人皮肤中合成,或从食物中获取。它是维持人体正常钙代谢的必需成分。

应用

有关合适的仪器技术的更多信息,请参阅产品′的分析证书。联系技术服务部以获得进一步支持。
胆钙化醇(D3)可作为分析标准品,通过不同的色谱技术对不同食品基质中的分析物进行定量。

生化/生理作用

维生素 D 借以发挥作用的受体是配体依赖性转录因子超家族的成员。调控正常细胞和癌细胞的增殖和分化。对乳腺癌、结肠癌和前列腺癌细胞具有抗增殖和抗转移作用。肠和骨骼中的活化维生素 D 受体维持着钙的吸收和平衡。

象形图

Skull and crossbonesHealth hazard

警示用语:

Danger

危险分类

Acute Tox. 2 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - STOT RE 1 Oral

储存分类代码

6.1A - Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 2

闪点(F)

Not applicable

闪点(C)

Not applicable

个人防护装备

Eyeshields, Faceshields, Gloves, type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges

分析证书

原产地证书 (CofO)

更多文件

Rapid determination of vitamin D3 in milk-based infant formulas by liquid chromatography-tandem mass spectrometry
Kwak M-B, et al.
Food Chemistry, 165(2), 569-574 (2014)
Simultaneous determination of cholecalciferol (vitamin D3) and ergocalciferol (vitamin D2) in foods by selected reaction monitoring
Dimartino G
Journal of AOAC (Association of Official Analytical Chemists) International, 92(2), 511-517 (2009)
Sina Gallo et al.
JAMA, 309(17), 1785-1792 (2013-05-02)
Vitamin D supplementation in infancy is required to support healthy bone mineral accretion. A supplement of 400 IU of vitamin D per day is thought to support plasma 25-hydroxyvitamin D (25[OH]D) concentrations between 40 and 50 nmol/L; some advocate 75
Sara S Oberhelman et al.
Mayo Clinic proceedings, 88(12), 1378-1387 (2013-12-03)
To determine whether a single monthly supplement is as effective as a daily maternal supplement in increasing breast milk vitamin D to achieve vitamin D sufficiency in their infants. Forty mothers with exclusively breast-fed infants were randomized to receive oral
Hongliu Ding et al.
Neurology, 81(17), 1531-1537 (2013-09-27)
To conclusively test for a specific association between the biological marker 25-hydroxy-vitamin D3, a transcriptionally active hormone produced in human skin and liver, and the prevalence and severity of Parkinson disease (PD). We used liquid chromatography/tandem mass spectrometry to establish

实验方案

Analysis of Vitamin D in Milk and Infant Formula using UHPLC/MS/MS per AOAC Method 2011.11

While quantitative analysis was performed for Vitamins D2 and D3, the samples were scanned for the presence of the 25-hydroxy metabolites.

AOAC Method 2011.11: UHPLC/MS/MS Analysis of Vitamin D2 and Vitamin D3 on Titan™ C18

Separation of Ergocalciferol (D2), analytical standard; Cholecalciferol (D3), analytical standard

HPLC Analysis of Vitamin D2 and D3 on Ascentis® Express C18

This application demonstrates the suitability of the Ascentis Express C18, 5 μm, for the routine analysis of the fat-soluble vitamins D2 and D3 . Structures along with the optimized chromatogram obtained on the Ascentis Express C18, 5 μm are presented.

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相关内容

HPLC Analysis of Vitamin D2 and Vitamin D3 on Ascentis® C18

Separation of Ergocalciferol (D2), analytical standard; Cholecalciferol (D3), analytical standard

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