4-Benzyl-2-hydroxy-morpholin-3-one

Also known as: 4-Benzyl-2-hydroxy-3-morpholinone, 4-Benzyl-2-hydroxymorpholin-3-one, 2-Hydroxy-4-(phenylmethyl)-3-morpholinone, 3-Morpholinone, 2-hydroxy-4-(phenylmethyl)-, Aprepitant intermediate, Fosaprepitant Impurity B, Fosaprepitant Impurity 23, Aprepitant Impurity 48, benzyl lactam lactol

4-Benzyl-2-hydroxy-morpholin-3-one (CAS 287930-73-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H13NO3 and a molecular weight of 207.226 g/mol. Key properties include a melting point of 136 °C, a boiling point of 441.7±45.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 220.9±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 287930-73-8
Jingsj CID: J-1065084-7
Molecular Formula: C₁₁H₁₃NO₃
Molecular Weight: 207.226 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	136 °C
Boiling Point	441.7±45.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	220.9±28.7 °C
Exact Mass	207.089539
PSA	49.77000
LogP	0.27
Vapor Pressure	0.0±1.1 mmHg at 25°C
Refractive Index	1.595

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 4-Benzyl-2-hydroxy-morpholin-3-one?

The CAS number of 4-Benzyl-2-hydroxy-morpholin-3-one is 287930-73-8.

What are the molecular formula and molecular weight of 4-Benzyl-2-hydroxy-morpholin-3-one?

4-Benzyl-2-hydroxy-morpholin-3-one has molecular formula C11H13NO3 and molecular weight 207.226 g/mol.

What are the upstream and downstream products of 4-Benzyl-2-hydroxy-morpholin-3-one?

For 4-Benzyl-2-hydroxy-morpholin-3-one, Upstream Products: Glyoxylic acid, 2-Benzylaminoethanol, Glyoxylic acid monohydrate; Downstream Products: (2R,3S)-2-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)morpholine, (2R)-4-benzyl-2-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]morpholin-3-one, Aprepitant.

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. "4-Benzyl-2-hydroxy-morpholin-3-one (CAS 287930-73-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1065084-7 (accessed 2026-11-09).

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