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Benzyl (2R,3S)-(-)-6-oxo-2,3-diphenyl-4-morpholinecarboxylate

Also known as: (2R,3S)-Benzyl 6-oxo-2,3-diphenylmorpholine-4-carboxylate, (2R,3S)-benzyl 6-oxo-2,3-diphenylmorpholine-4-carboxylate, (5R,6S)-(-)-4-Benzyloxycarbonyl-5,6-diphenyl-2-Morpholinone, 4-Morpholinecarboxylic acid, 6-oxo-2,3-diphenyl-, phenylmethyl ester, (2R,3S)-, Benzyl (2R,3S)-(-)-6-oxo-2,3-diphenyl-4-morpholinecarboxylate, Benzyl (2R,3S)-6-oxo-2,3-diphenyl-4-morpholinecarboxylate, Benzyl (2R,3S)-6-oxo-2,3-diphenylmorpholine-4-carboxylate, MFCD00074958, William's lactone (ambiguous)

Benzyl (2R,3S)-(-)-6-oxo-2,3-diphenyl-4-morpholinecarboxylate (CAS 100516-54-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C24H21NO4 and a molecular weight of 387.428 g/mol. Key properties include a melting point of 205-207ºC, a boiling point of 583.5±50.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 306.7±30.1 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
100516-54-9
Jingsj CID
J-1454905-4
Molecular Formula
C24H21NO4
Molecular Weight
387.428 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point205-207ºC
Boiling Point583.5±50.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point306.7±30.1 °C
Exact Mass387.147064
PSA55.84000
LogP4.06
Vapor Pressure0.0±1.6 mmHg at 25°C
Refractive Index1.610

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of Benzyl (2R,3S)-(-)-6-oxo-2,3-diphenyl-4-morpholinecarboxylate?

The CAS number of Benzyl (2R,3S)-(-)-6-oxo-2,3-diphenyl-4-morpholinecarboxylate is 100516-54-9.

What are the molecular formula and molecular weight of Benzyl (2R,3S)-(-)-6-oxo-2,3-diphenyl-4-morpholinecarboxylate?

Benzyl (2R,3S)-(-)-6-oxo-2,3-diphenyl-4-morpholinecarboxylate has molecular formula C24H21NO4 and molecular weight 387.428 g/mol.

Is Benzyl (2R,3S)-(-)-6-oxo-2,3-diphenyl-4-morpholinecarboxylate hazardous?

Benzyl (2R,3S)-(-)-6-oxo-2,3-diphenyl-4-morpholinecarboxylate has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

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

Last updated:

How to cite: Jingsj. "Benzyl (2R,3S)-(-)-6-oxo-2,3-diphenyl-4-morpholinecarboxylate (CAS 100516-54-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1454905-4 (accessed 2026-11-09).

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