NIST921A

Cortisol (Hydrocortisone)

NIST^®SRM^®

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

Properties

• 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

Description

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

Safety Information

• Pictograms: GHS08
• Signal Word: Danger
• Hazard Statements: H360Df,H373
• Precautionary Statements: P202 - P260 - P280 - P308 + P313 - P405 - P501
• 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