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

Properties

• grade: analytical standard
• Quality Level: 100
• 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
• SMILES string: O=C1[C@H](CC2=CC=C(OC)C=C2)COC3=C(C)C(O)=C(C)C(O)=C31
• 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
• InChI key: UFMAZRUMVFVHLY-CYBMUJFWSA-N

Description

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.

Safety Information

• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 3