Skip to Content
Merck
CN

Key Documents

View All Documentation

PHR8935

(20S)-20-Hydroxypregn-4-en-3-one

Pharmaceutical Secondary Standard; Certified Reference Material

Synonym(s):

4-Pregnen-20α-ol-3-one, 20a-Dihydroprogesterone, 20a-Hydroxyprogesterone, Progesterone Impurity B (Ph. Eur.), 20α-Hydroxy-4-pregnen-3-one, 20α-Hydroxyprogesterone

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Empirical Formula (Hill Notation):
C21H32O2
CAS Number:
145-14-2
Molecular Weight:
316.48
UNSPSC Code:
41116107
NACRES:
NA.24
MDL number:
MFCD00009823
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Quality Level

300

grade

certified reference material, pharmaceutical secondary standard

API family

progesterone

form

solid

packaging

pkg of 100 mg

application(s)

pharmaceutical small molecule

SMILES string

C[C@H](O)[C@H]1CC[C@H]2[C@@H]3CCC4=CC(=O)CC[C@]4(C)[C@H]3CC[C@]12C

InChI

1S/C21H32O2/c1-13(22)17-6-7-18-16-5-4-14-12-15(23)8-10-20(14,2)19(16)9-11-21(17,18)3/h12-13,16-19,22H,4-11H2,1-3H3/t13-,16-,17+,18-,19-,20-,21+/m0/s1

InChI key

RWBRUCCWZPSBFC-RXRZZTMXSA-N

General description

Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards

Application

These Secondary Standards are qualified as Certified Reference Materials. These are suitable for use in several analytical applications including but not limited to pharma release testing, pharma method development for qualitative and quantitative analyses, food and beverage quality control testing, and other calibration requirements.

Analysis Note

These secondary standards offer multi-traceability to the USP and EP primary standards, where they are available.

Other Notes

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.

pictograms

Health hazard
GHS08

signalword

Danger

Hazard Classifications

Carc. 2 - Repr. 1B

Storage Class

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

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

涉药品监管产品

This item has

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?

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

Visit the Document Library

Global Trade Item Number

SKUGTIN
PHR8935-100MG04065265927581