Skip to Content
Merck
CN

PHL80557

Withanolide B

phyproof® Reference Substance

Synonym(s):

(5α,6α,7α,22R)-6,7-Epoxy-5,22-dihydroxy-1-oxo-ergosta-2,24-dien-26-oic acid δ-lactone

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Empirical Formula (Hill Notation):
C28H38O5
CAS Number:
Molecular Weight:
454.60
UNSPSC Code:
41116107
NACRES:
NA.24
MDL number:
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist


grade

primary reference standard

product line

phyproof® Reference Substance

assay

≥90.0% (HPLC)

form

solid

manufacturer/tradename

PhytoLab

storage temp.

2-8°C

SMILES string

C[C@H]([C@H]1CC(C)=C(C)C(=O)O1)[C@H]2CC[C@H]3[C@H]4[C@H](CC[C@]23C)[C@@]5(C)C(=O)C=CC[C@]5(O)[C@H]6O[C@@H]46

InChI

1S/C28H38O5/c1-14-13-20(32-25(30)15(14)2)16(3)17-8-9-18-22-19(10-12-26(17,18)4)27(5)21(29)7-6-11-28(27,31)24-23(22)33-24/h6-7,16-20,22-24,31H,8-13H2,1-5H3/t16-,17+,18-,19-,20+,22-,23-,24-,26+,27-,28-/m0/s1

InChI key

ZTEVDTFJUUJBLP-MBMSZCMESA-N

General description

This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG

Other Notes

This compound is commonly found in plants of the genus: lycium withania

Legal Information

phyproof is a registered trademark of PhytoLab GmbH & Co. KG


Storage Class

11 - Combustible Solids

wgk

WGK 3

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

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

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

Visit the Document Library