Skip to Content
Merck
All Photos(1)

Key Documents

More Documents

NIST921A

Cortisol (Hydrocortisone)

NIST®SRM®

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
C21H30O5
CAS Number:
50-23-7
Molecular Weight:
362.46
UNSPSC Code:
12352211
NACRES:
NA.24

grade

certified reference material

packaging

pkg of 1 g

manufacturer/tradename

NIST®

application(s)

clinical

format

neat

storage temp.

2-8°C

InChI

1S/C21H30O5/c1-19-7-5-13(23)9-12(19)3-4-14-15-6-8-21(26,17(25)11-22)20(15,2)10-16(24)18(14)19/h9,14-16,18,22,24,26H,3-8,10-11H2,1-2H3/t14-,15-,16-,18+,19-,20-,21-/m0/s1

InChI key

JYGXADMDTFJGBT-VWUMJDOOSA-N

General description

Each unit of SRM 921A contains 1 g of high-purity crystalline cortisol.

SRM 921A_cert

SRM 921A_SDS

Application

SRM921A Cortisol standard reference material (SRM) is intended for use in the calibration and standardization of clinical measurement laboratory procedures, used to quantify levels of cortisol.

Features and Benefits

  • Available with a certificate documenting NIST-certified mass fraction value of cortisol.
  • Certified value was determined using a quantitative 1H-nuclear magnetic resonance spectroscopy (1H-qNMR) primary ratio measurement procedure.  
  • Certified values are metrologically traceable to the International System of Units (SI) and SI-derived unit of mass fraction. 
  • The NIST certificate is provided with storage, source, preparation, analysis details and use instructions.

Other Notes

Certified for the analytes listed below.
Cortisol

See certificate for values and more details at nist.gov/SRM.

Legal Information

NIST is a registered trademark of National Institute of Standards and Technology
SRM is a registered trademark of National Institute of Standards and Technology

Pictograms

Health hazard
GHS08

Signal Word

Danger

Hazard Statements

H360Df,H373

Hazard Classifications

Repr. 1A - STOT RE 2

Storage Class Code

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

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Sorry, we don't have COAs for this product available online at this time.

If you need assistance, please contact Customer Support.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

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