Meranzin hydrate

Also known as: (-)-Meranzin hydrate, (-)-8-[(S)-2,3-Dihydroxy-3-methylbutyl]-7-methoxy-2H-1-benzopyran-2-one, 2H-1-Benzopyran-2-one, 8-[(2S)-2,3-dihydroxy-3-methylbutyl]-7-methoxy-, 8-(2,3-Dihydroxy-3-methylbutyl)-7-methoxy-2H-chromen-2-one

Meranzin hydrate (CAS 5875-49-0) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C15H18O5 and a molecular weight of 278.300 g/mol. Key properties include a melting point of 130-131°C, a boiling point of 500.5±50.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 188.3±23.6 °C. It is classified under GHS with signal word Warning and hazard statements H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 5875-49-0
Jingsj CID: J-2023-7
Molecular Formula: C₁₅H₁₈O₅
Molecular Weight: 278.300 g/mol
Category: Esters
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	130-131°C
Boiling Point	500.5±50.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	188.3±23.6 °C
Exact Mass	278.115417
PSA	79.90000
LogP	0.61
Vapor Pressure	0.0±1.3 mmHg at 25°C
Refractive Index	1.580
Storage Conditions	?20°C

GHS Safety & Compliance

Environmental HazardSignal word: Warning

H410 — Very toxic to aquatic life with long lasting effects

Activity & Biological Data

Additional Information	[1]. Huang X, et al. Searching the cytochrome p450 enzymes for the metabolism of meranzin hydrate: a prospective antidepressant originating from Chaihu-Shugan-San. PLoS One. 2014 Nov 26;9(11):e113819. [2]. Li L, et al. Chaihu-Shugan-San and absorbed meranzin hydrate induce anti-atherosclerosis and behavioral improvements in high-fat diet ApoE-/- mice via anti-inflammatory and BDNF-TrkB pathway. Biomed Pharmacother. 2019 Jul;115:108893.

Additional Information

[1]. Huang X, et al. Searching the cytochrome p450 enzymes for the metabolism of meranzin hydrate: a prospective antidepressant originating from Chaihu-Shugan-San. PLoS One. 2014 Nov 26;9(11):e113819. [2]. Li L, et al. Chaihu-Shugan-San and absorbed meranzin hydrate induce anti-atherosclerosis and behavioral improvements in high-fat diet ApoE-/- mice via anti-inflammatory and BDNF-TrkB pathway. Biomed Pharmacother. 2019 Jul;115:108893.

Frequently Asked Questions

What is the CAS number of Meranzin hydrate?

The CAS number of Meranzin hydrate is 5875-49-0.

What are the molecular formula and molecular weight of Meranzin hydrate?

Meranzin hydrate has molecular formula C15H18O5 and molecular weight 278.300 g/mol.

Is Meranzin hydrate hazardous?

Meranzin hydrate has GHS signal word Warning and hazard statements H410 — Very toxic to aquatic life with long lasting effects.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Meranzin hydrate (CAS 5875-49-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-2023-7 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.