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Merck
CN

92542

Methylophiopogonanone B

analytical standard

Synonym(s):

(3R)-2,3-Dihydro-5,7-dihydroxy-3-[(4-methoxyphenyl)methyl]-6,8-dimethyl-4H-1-benzopyran-4-one

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About This Item

Empirical Formula (Hill Notation):
C19H20O5
CAS Number:
74805-91-7
Molecular Weight:
328.36
NACRES:
NA.24
PubChem Substance ID:
329770135
UNSPSC Code:
12352200
MDL number:
MFCD20487835

Key Documents

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InChI

1S/C19H20O5/c1-10-16(20)11(2)19-15(17(10)21)18(22)13(9-24-19)8-12-4-6-14(23-3)7-5-12/h4-7,13,20-21H,8-9H2,1-3H3/t13-/m1/s1

SMILES string

O=C1[C@H](CC2=CC=C(OC)C=C2)COC3=C(C)C(O)=C(C)C(O)=C31

InChI key

UFMAZRUMVFVHLY-CYBMUJFWSA-N

grade

analytical standard

assay

≥98.0% (HPLC)

optical activity

[α]/D -17.5±1.5°, c = 0.1 in DMSO

shelf life

limited shelf life, expiry date on the label

format

neat

storage temp.

−20°C

Quality Level

100

General description

Methylophiopogonanone B (MOPB) is the major contributor to the total homoisoflavonoid content, identified in the roots of Ophiopogon japonicas. It is used as a traditional Chinese medicine and food ingredient.

Application

Methylophiopogonanone B may be used as an analytical reference standard for the quantification of the analyte in Zeng Ye Tang and Ophiopogon japonicus using chromatographic techniques.

Storage Class

13 - Non Combustible Solids

wgk

WGK 3

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Certificates of Analysis (COA)

Lot/Batch Number
BCBZ5525
BCBT0485
BCBS1184V
BCBS1184

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Screening and identification of potential hypoglycemic components in Zeng Ye Tang by high-performance liquid chromatography coupled with tandem quadrupole time-of-flight mass spectrometry
Tian SY, et al.
Journal of Separation Science, 40(24), 4709-4717 (2017)
Homoisoflavonoids and the antioxidant activity of Ophiopogon japonicus root
Wang Y, et al.
Iranian Journal of Pharmaceutical Research : IJPR, 16(1), 357-357 (2017)
Characterization of homoisoflavonoids in different cultivation regions of Ophiopogon japonicus and related antioxidant activity
Lin Y, et al.
Journal of Pharmaceutical and Biomedical Analysis, 52(5), 757-762 (2010)

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