Boc-His-OH

Also known as: N-(tert-Butoxycarbonyl)-L-histidine, Nalpha-(tert-Butoxycarbonyl)-L-histidine, Nalpha-BOC-L-Histidine, N-Boc-histidine, tert-Butyloxycarbonyl-L-histidine, L-Histidine, N-[(1,1-dimethylethoxy)carbonyl]-, N-{[(2-Methyl-2-propanyl)oxy]carbonyl}-L-histidine

Boc-His-OH (CAS 17791-52-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H17N3O4 and a molecular weight of 255.270 g/mol. Key properties include a melting point of 195 °C (dec.)(lit.), a boiling point of 522.2±45.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 269.6±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 17791-52-5
Jingsj CID: J-43930-5
Molecular Formula: C₁₁H₁₇N₃O₄
Molecular Weight: 255.270 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	195 °C (dec.)(lit.)
Boiling Point	522.2±45.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	269.6±28.7 °C
Exact Mass	255.121902
PSA	104.31000
LogP	0.58
Vapor Pressure	0.0±1.4 mmHg at 25°C
Refractive Index	1.542

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.

Customs & Trade Information

HS Code	2933290090
Summary	2933290090. other compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Boc-His-OH?

The CAS number of Boc-His-OH is 17791-52-5.

What are the molecular formula and molecular weight of Boc-His-OH?

Boc-His-OH has molecular formula C11H17N3O4 and molecular weight 255.270 g/mol.

What are the upstream and downstream products of Boc-His-OH?

For Boc-His-OH, Upstream Products: N-[(1,1-dimethylethoxy)carbonyl]-1-[(phenylmethoxy)methyl]-L-histidine, Boc-His(Z)-OH, Di-tert-butyl dicarbonate; Downstream Products: Boc-His(Trt)-OH, Boc-L-Histidine(Tosyl), N-alpha-tert-Butoxycarbonyl-L-histidine methyl ester.

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. "Boc-His-OH (CAS 17791-52-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43930-5 (accessed 2026-11-09).

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