N-(tert-Butoxycarbonyl)-L-methionine N-succinimidyl ester

Also known as: Boc-Met-OSu, Boc-L-Met-OSu, BOC-L-METHIONINE HYDROXYSUCCINIMIDE ESTER, BOC-L-METHIONINE N-HYDROXYSUCCINIMIDE ESTER, BOC-METHIONINE-OSU, BOC-Met-ONsu, Boc-L-methionine hydroxysuccinimide ester, N-Boc-L-methionine N-succinimidyl ester, N-Boc-L-methionine N-hydroxysuccinimide ester, N-(tert-Butoxycarbonyl)-L-methionine N-succinimidyl ester, tert-butyloxycarbonylmethionine N-hydroxysuccinimide ester, 2,5-dioxopyrrolidin-1-yl (2S)-2-[(tert-butoxycarbonyl)amino]-4-(methylthio)butanoate, 2,5-Dioxo-1-pyrrolidinyl N-{[(2-methyl-2-propanyl)oxy]carbonyl}methioninate, n-hydroxysuccinimidylt-butoxycarbonylmethionine, t-Boc-Met-OSu, TBM-NHS, Methionine, N-[(1,1-dimethylethoxy)carbonyl]-, 2,5-dioxo-1-pyrrolidinyl ester

N-(tert-Butoxycarbonyl)-L-methionine N-succinimidyl ester (CAS 3845-64-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H22N2O6S and a molecular weight of 346.399 g/mol. Key properties include a melting point of 120-126ºC and a density of 1.3±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3845-64-5
Jingsj CID: J-1955142-9
Molecular Formula: C₁₄H₂₂N₂O₆S
Molecular Weight: 346.399 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	120-126ºC
Density	1.3±0.1 g/cm3
Exact Mass	346.119843
PSA	127.31000
LogP	0.63
Appearance	Solid
Refractive Index	1.536
Storage Conditions	−20°C

Activity & Biological Data

Additional Information	[1]. Luckose F, et al. Effects of amino acid derivatives on physical, mental, and physiological activities. Crit Rev Food Sci Nutr. 2015;55(13):1793-1144.

Frequently Asked Questions

What is the CAS number of N-(tert-Butoxycarbonyl)-L-methionine N-succinimidyl ester?

The CAS number of N-(tert-Butoxycarbonyl)-L-methionine N-succinimidyl ester is 3845-64-5.

What are the molecular formula and molecular weight of N-(tert-Butoxycarbonyl)-L-methionine N-succinimidyl ester?

N-(tert-Butoxycarbonyl)-L-methionine N-succinimidyl ester has molecular formula C14H22N2O6S and molecular weight 346.399 g/mol.

What are the upstream and downstream products of N-(tert-Butoxycarbonyl)-L-methionine N-succinimidyl ester?

For N-(tert-Butoxycarbonyl)-L-methionine N-succinimidyl ester, Upstream Products: N-Hydroxysuccinimide, N-(tert-Butoxycarbonyl)-L-methionine, (2,5-dioxopyrrolidin-1-yl) 1,2,2,2-tetrachloroethyl carbonate; Downstream Products: L-Methionylglycine.

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-(tert-Butoxycarbonyl)-L-methionine N-succinimidyl ester (CAS 3845-64-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1955142-9 (accessed 2026-11-09).

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