MilliporeSigma
All Photos(1)

Documents

739928

Sigma-Aldrich

3-epi-25-Hydroxyvitamin D3 solution

50 μg/mL in ethanol, 98% (CP)

Empirical Formula (Hill Notation):
C27H44O2
CAS Number:
Molecular Weight:
400.64
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.24

Assay

98% (CP)

form

solution

concentration

50 μg/mL in ethanol

technique(s)

mass spectrometry (MS): suitable

color

colorless

mp

-144.0 °C

application(s)

detection

storage temp.

−20°C

SMILES string

C[C@H](CCCC(C)(C)O)[C@H]1CC[C@H]2\C(CCC[C@]12C)=C\C=C3\C[C@H](O)CCC3=C

InChI

1S/C27H44O2/c1-19-10-13-23(28)18-22(19)12-11-21-9-7-17-27(5)24(14-15-25(21)27)20(2)8-6-16-26(3,4)29/h11-12,20,23-25,28-29H,1,6-10,13-18H2,2-5H3/b21-11+,22-12-/t20-,23-,24-,25+,27-/m1/s1

InChI key

JWUBBDSIWDLEOM-UEGFJKGBSA-N

Looking for similar products? Visit Product Comparison Guide

Related Categories

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
753548739936753556
form

solution

form

liquid

form

solution

form

solution

concentration

50 μg/mL in ethanol

concentration

50 μg/mL in ethanol

concentration

100 μg/mL in ethanol

concentration

100 μg/mL in ethanol

technique(s)

mass spectrometry (MS): suitable

technique(s)

mass spectrometry (MS): suitable

technique(s)

mass spectrometry (MS): suitable

technique(s)

mass spectrometry (MS): suitable

mp

-144.0 °C

mp

-

mp

-144.0 °C

mp

-

storage temp.

−20°C

storage temp.

−20°C

storage temp.

−20°C

storage temp.

−20°C

General description

3-epi-25-Hydroxyvitamin D3 (C3-epimer) is a metabolite of vitamin D3. It is an epimer of 25-hydroxyvitamin D3 which differs only at C-3 position wherein -OH group at C-3 carbon is in the α orientation rather than in the β orientation.

Application

This product may be used as an analytical standard.

Packaging

1 mL in ampule

Pictograms

FlameExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

57.2 °F - closed cup

Flash Point(C)

14.0 °C - closed cup


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (Example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

Customers Also Viewed

Slide 1 of 4

1 of 4

Overestimation of 25-hydroxyvitamin D3 by increased ionisation efficiency of 3-epi-25-hydroxyvitamin D3 in LC-MS/MS methods not separating both metabolites as determined by an LC-MS/MS method for separate quantification of 25-hydroxyvitamin D3, 3-epi-25-hydroxyvitamin D3 and 25-hydroxyvitamin D2 in human serum
van den Ouweland JMW, et al.
Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences, 967, 195-202 (2014)

Articles

LC/MS/MS Analysis of Vitamin D Metabolites on Ascentis® Express F5 (Monitored Ions)

The metabolic role and health implications of the various vitamin D isoforms are of current clinical interest. Therefore, it is important to have an analytical method that will resolve all of the known isoforms with necessary sensitivity and specificity

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service