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Merck
CN

47763

胆钙化固醇(维生素 D3)

analytical standard

别名:

胆钙化醇, (+)-维生素 D3, 活化7-脱氢胆固醇, 活化7-脱氢胆甾醇, 胆骨化醇

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关于此项目

经验公式(希尔记法):
C27H44O
化学文摘社编号:
分子量:
384.64
EC Number:
200-673-2
UNSPSC Code:
12164500
PubChem Substance ID:
Beilstein/REAXYS Number:
2339331
MDL number:
NACRES:
NA.24
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产品名称

胆钙化固醇(维生素 D3), analytical standard

InChI key

QYSXJUFSXHHAJI-YRZJJWOYSA-N

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

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

grade

analytical standard

API family

cholecalciferol

form

solid

CofA

current certificate can be downloaded

feature

standard type fat soluble vitamin

packaging

ampule of 100 mg

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

color

white

mp

83-86 °C (lit.)

application(s)

food and beverages

format

neat

storage temp.

2-8°C

Quality Level

Gene Information

human ... VDR(7421)

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Application

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

Biochem/physiol Actions

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。
维生素 D 通过调控正常细胞和癌细胞增殖和分化的受体而发挥作用。

General description

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。

Other Notes

在我们的NMR在线平台ChemisTwin®上可以找到本品对应的数字化标准物质。您可使用ChemisTwin®上的数字等效品鉴定您的样品并进行定量分析(使用数字化外标)。可查看该物质的NMR谱图,只需点击几次鼠标,就能进行在线样品比对。欢迎点击了解更多,开启免费试用之旅。

pictograms

Skull and crossbonesHealth hazard

signalword

Danger

Hazard Classifications

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

存储类别

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

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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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)
Ian R Reid et al.
Lancet (London, England), 383(9912), 146-155 (2013-10-15)
Findings from recent meta-analyses of vitamin D supplementation without co-administration of calcium have not shown fracture prevention, possibly because of insufficient power or inappropriate doses, or because the intervention was not targeted to deficient populations. Despite these data, almost half
Bich Tran et al.
The American journal of clinical nutrition, 99(1), 156-161 (2013-10-11)
Observational data suggested that supplementation with vitamin D could reduce risk of infection, but trial data are inconsistent. We aimed to examine the effect of oral vitamin D supplementation on antibiotic use. We conducted a post hoc analysis of data
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

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

Separation of (±)-α-Tocopherol, analytical standard; Menadione (K3), analytical standard; (+)-γ-Tocopherol, analytical standard; Cholecalciferol (D3), analytical standard

Ascentis Express C18 is suitable for routine analysis of fat-soluble vitamins D2 and D3, providing optimized chromatograms.

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