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Boc-Cys(Acm)-ONp

Also known as: 4-nitrophenyl (2R)-2-{[(tert-butoxy)carbonyl]amino}-3-[(acetamidomethyl)sulfanyl]propanoate, Boc-Cys(ACM)-ONp, Boc-Cysteine(Acm)-ONp, Boc-L-cysteine(Acm) p-nitrophenyl ester, Boc-S-acetamidomethyl-L-cysteine 4-nitrophenyl ester, p-nitrophenyl S-(acetamidomethyl)-N-(tert-butoxycarbonyl)-L-cysteinate, S-[(Acetylamino)methyl]-N-(tert-butoxycarbonyl)-L-cysteine 4-nitrophenyl ester, EINECS 261-377-7, MFCD00236831

Boc-Cys(Acm)-ONp (CAS 58651-76-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C17H23N3O7S and a molecular weight of 413.44500 g/mol. Key properties include a boiling point of 652.6ºC at 760 mmHg, a density of 1.291 g/cm3 and a flash point of 348.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
58651-76-6
Jingsj CID
J-1110064-4
Molecular Formula
C17H23N3O7S
Molecular Weight
413.44500 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point652.6ºC at 760 mmHg
Density1.291 g/cm3
Flash Point348.5ºC
Exact Mass413.12600
PSA164.85000
LogP3.52530
Refractive Index1.555
Storage Conditions-15°C

Frequently Asked Questions

What is the CAS number of Boc-Cys(Acm)-ONp?

The CAS number of Boc-Cys(Acm)-ONp is 58651-76-6.

What are the molecular formula and molecular weight of Boc-Cys(Acm)-ONp?

Boc-Cys(Acm)-ONp has molecular formula C17H23N3O7S and molecular weight 413.44500 g/mol.

What are the upstream and downstream products of Boc-Cys(Acm)-ONp?

For Boc-Cys(Acm)-ONp, Upstream Products: Boc-Cys(Acm)-OH; Downstream Products: H-Cys(Acm)-NH2·HCl.

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

Last updated:

How to cite: Jingsj. "Boc-Cys(Acm)-ONp (CAS 58651-76-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1110064-4 (accessed 2026-11-09).

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