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Fmoc-D-Allo-Thr(tBu)-OH

Also known as: (2R,3R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(tert-butoxy)butanoic acid, (2R,3R)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-[(2-methylpropan-2-yl)oxy]butanoic acid, (2R,3R)-3-(tert-butoxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)butanoic acid, D-Allothreonine, O-(1,1-dimethylethyl)-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-, FMOC-D-ALLO-THR(TBU)-OH, FMOC-D-ALLO-THREONINE(TBU)-OH, FMOC-D-All-Thr(tBu)-OH, N-ALPHA-9-FLUORENYLMETHOXYCARBONYL-O-T-BUTYL-D-ALLO-THREONINE, N-Fmoc-O-tert-butyl-D-allo-threonine, N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-O-(2-methyl-2-propanyl)-D-allothreonine, O-(tert-Butyl)-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-D-allothreonine, Fmoc-Thr(tBu)-OH, AK-63131, ANW-58797, CTK8B7858, FT-0643632, SureCN119402, MFCD00077074

Fmoc-D-Allo-Thr(tBu)-OH (CAS 170643-02-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C23H27NO5 and a molecular weight of 397.464 g/mol. Key properties include a boiling point of 581.7±50.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 305.6±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
170643-02-4
Jingsj CID
J-1962451-2
Molecular Formula
C23H27NO5
Molecular Weight
397.464 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point581.7±50.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point305.6±30.1 °C
Exact Mass397.188934
PSA84.86000
LogP5.45
AppearancePowder | White
Vapor Pressure0.0±1.7 mmHg at 25°C
Refractive Index1.569
Storage Conditions2-8°C

Activity & Biological Data

Additional Information[1]. Mari Kikuchi, et al. Improved synthesis of d-allothreonine derivatives from l-threonine. Tetrahedron. 26 August 2013, 69(34):7098-7101.

Frequently Asked Questions

What is the CAS number of Fmoc-D-Allo-Thr(tBu)-OH?

The CAS number of Fmoc-D-Allo-Thr(tBu)-OH is 170643-02-4.

What are the molecular formula and molecular weight of Fmoc-D-Allo-Thr(tBu)-OH?

Fmoc-D-Allo-Thr(tBu)-OH has molecular formula C23H27NO5 and molecular weight 397.464 g/mol.

What are the upstream and downstream products of Fmoc-D-Allo-Thr(tBu)-OH?

For Fmoc-D-Allo-Thr(tBu)-OH, Upstream Products: Fmoc-D-allo-Thr-OH, 9-Fluorenylmethyl chloroformate; Downstream Products: Fmoc-D-allo-Thr-OH.

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

Last updated:

How to cite: Jingsj. "Fmoc-D-Allo-Thr(tBu)-OH (CAS 170643-02-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1962451-2 (accessed 2026-11-09).

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