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Merck
CN

94284

Withanolide B

analytical standard

Synonym(s):

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

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About This Item

Empirical Formula (Hill Notation):
C28H38O5
CAS Number:
56973-41-2
Molecular Weight:
454.60
NACRES:
NA.24
PubChem Substance ID:
329770321
UNSPSC Code:
85151701
MDL number:
MFCD19053156

Key Documents

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InChI key

ZTEVDTFJUUJBLP-MBMSZCMESA-N

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

grade

analytical standard

assay

95% (HPLC)

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

application(s)

food and beverages

format

neat

Quality Level

100

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
BCCB7142
BCBW7023
BCBV0195

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Shreya Dubey et al.
PloS one, 13(11), e0200053-e0200053 (2018-11-08)
Withania somnifera (Ashwagandha) is an efficient medicinal plant known in Ayurveda and Chinese medicine since ancient times, whose extracts are consumed orally as food supplement or as a health tonic owing to its several restorative properties for various CNS disorders
Lilla Mácsai et al.
Evidence-based complementary and alternative medicine : eCAM, 2018, 3690683-3690683 (2018-11-09)
Rotifers have been widely used as well-characterized models of aging, since their multiorgan character makes them suitable as in vivo toxicological and lifespan models. Here we report the assessment of four adaptogenic plants and their extracts for the first time
Lucas E Cromberg et al.
Journal of neurochemistry, 149(3), 362-380 (2019-01-22)
The process of locomotion is controlled by fine-tuned dopaminergic neurons in the Substantia Nigra pars-compacta (SNpc) that projects their axons to the dorsal striatum regulating cortical innervations of medium spiny neurons. Dysfunction in dopaminergic neurotransmission within the striatum leads to

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