Fmoc-Thr(tBu)-OH

Fmoc-O-叔丁基-L-苏氨酸

Also known as: (2S,3R)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-[(2-methylpropan-2-yl)oxy]butanoic acid, (2S,3R)-2-{[(9H-Fluoren-9-ylmethoxy)carbonyl]amino}-3-[(2-methyl-2-propanyl)oxy]butanoic acid, (9-fluorenylmethoxycarbonyl)-O-tert-butyl-L-threonine, EINECS 276-261-1, FMOC-O-TERT-BUTYL-L-THREONINE (FMOC-L-THR(TBU)-OH), FMOC-O-tert-Butyl-L-threonine, Fmoc-O-t-butyl-L-threonine, Fmoc-THr(Bu)-OH, L-Threonine, O-(1,1-dimethylethyl)-N-(9H-fluoren-9-ylmethoxy)carbonyl-, L-Threonine, O-(1,1-dimethylethyl)-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-, MFCD00077075, N-(9-FLUORENYLMETHOXYCARBONYL)-2-TERT-BUTYL-L-THREONINE, N-Fmoc-O-tert-Butyl-L-threonine, Fmoc-O-tert-butyl-L-threonine, N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-O-(2-methyl-2-propanyl)-L-threonine, N-alpha-Fmoc-o-t-butyl-L-threo, NALPHA-9-Fluorenylmethoxycarbonyl-L-threonine tert-butyl ester, O-tert-Butyl-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-threonine

Fmoc-Thr(tBu)-OH (CAS 71989-35-0) 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. It is also known as (2S,3R)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-[(2-methylpropan-2-yl)oxy]butanoic acid, (2S,3R)-2-{[(9H-Fluoren-9-ylmethoxy)carbonyl]amino}-3-[(2-methyl-2-propanyl)oxy]butanoic acid and (9-fluorenylmethoxycarbonyl)-O-tert-butyl-L-threonine. Key properties include a melting point of 131-134 °C, 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. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
71989-35-0
Jingsj CID
J-1111156-6
Molecular Formula
C23H27NO5
Chinese Name
Fmoc-O-叔丁基-L-苏氨酸
Molecular Weight
397.464 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point131-134 °C
Boiling Point581.7±50.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point305.6±30.1 °C

GHS Safety & Compliance

Environmental HazardSignal word: Warning

Frequently Asked Questions

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

The CAS number of Fmoc-Thr(tBu)-OH is 71989-35-0.

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

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

Is Fmoc-Thr(tBu)-OH hazardous?

Fmoc-Thr(tBu)-OH has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "Fmoc-Thr(tBu)-OH (CAS 71989-35-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1111156-6 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.