N-Fmoc-O-(2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-α-D-galactopyranosyl)-L-threonine

Also known as: Fmoc-Thr[GalNAc(Ac)3-α-D]-OH, FMOC-THR(GALNAC(AC)3-α-D)-OH, Fmoc-Thr(Ac3GalNAcα)-OH, N-Fmoc-O-[3,4,6-tri-O-acetyl-2-(acetylamino)-2-deoxy-α-D-galactopyranosyl]-L-threonine, (2S,3R)-3-{[(2S,3R,4R,5R,6R)-3-Acetamido-4,5-diacetoxy-6-(acetoxymethyl)tetrahydro-2H-pyran-2-yl]oxy}-2-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}butanoic acid, α-D-Galactopyranoside, (1R,2S)-2-carboxy-2-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-1-methylethyl 2-(acetylamino)-2-deoxy-, 3,4,6-triacetate, GALNAC L-THREONINE

N-Fmoc-O-(2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-α-D-galactopyranosyl)-L-threonine (CAS 116783-35-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C33H38N2O13 and a molecular weight of 670.660 g/mol. Key properties include a melting point of 178-183 °C, a boiling point of 857.1±65.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 472.1±34.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 116783-35-8
Jingsj CID: J-1597880-0
Molecular Formula: C₃₃H₃₈N₂O₁₃
Molecular Weight: 670.660 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	178-183 °C
Boiling Point	857.1±65.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	472.1±34.3 °C
Exact Mass	670.237366
PSA	202.09000
LogP	4.58
Vapor Pressure	0.0±0.3 mmHg at 25°C
Refractive Index	1.592

Activity & Biological Data

Additional Information	[1]. Ju T, et al. The Cosmc connection to the Tn antigen in cancer. Cancer Biomark. 2014 Jan 1;14(1):63-81.

Frequently Asked Questions

What is the CAS number of N-Fmoc-O-(2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-α-D-galactopyranosyl)-L-threonine?

The CAS number of N-Fmoc-O-(2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-α-D-galactopyranosyl)-L-threonine is 116783-35-8.

What are the molecular formula and molecular weight of N-Fmoc-O-(2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-α-D-galactopyranosyl)-L-threonine?

N-Fmoc-O-(2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-α-D-galactopyranosyl)-L-threonine has molecular formula C33H38N2O13 and molecular weight 670.660 g/mol.

What are the upstream and downstream products of N-Fmoc-O-(2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-α-D-galactopyranosyl)-L-threonine?

For N-Fmoc-O-(2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-α-D-galactopyranosyl)-L-threonine, Upstream Products: N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-threonine phenylmethyl ester, 1,3,4,6-Tetra-O-acetyl-2-azido-2-deoxy-D-galactopyranose, D-Galactosamine hydrochloride.

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. "N-Fmoc-O-(2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-α-D-galactopyranosyl)-L-threonine (CAS 116783-35-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1597880-0 (accessed 2026-11-09).

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