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Fmoc-Cys(Acm)-OH

Also known as: Fmoc-S-acetamidomethyl-L-cysteine, FMOC-CYS(ACM)-OH, FMOC-CYS(ACM), FMOC-CYSTEINE(ACM)-OH, FMOC-L-CYS(ACM), FMOC-L-CYS(ACM)-OH, FMOC-L-CYSTEINE(ACM), N-ALPHA-FMOC-S-ACETAMIDOMETHYL-L-CYSTEINE, S-(Acetamidomethyl)-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-cysteine, (2R)-3-(acetamidomethylsulfanyl)-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoic acid, MFCD00038769

Fmoc-Cys(Acm)-OH (CAS 86060-81-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C21H22N2O5S and a molecular weight of 414.475 g/mol. Key properties include a melting point of 147-150 °C, a boiling point of 714.1±60.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 385.7±32.9 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
86060-81-3
Jingsj CID
J-19805-0
Molecular Formula
C21H22N2O5S
Molecular Weight
414.475 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point147-150 °C
Boiling Point714.1±60.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point385.7±32.9 °C
Exact Mass414.124939
PSA130.03000
LogP3.92
Vapor Pressure0.0±2.4 mmHg at 25°C
Refractive Index1.618

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

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):1793-807.

Customs & Trade Information

HS Code2930909090
Summary2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Fmoc-Cys(Acm)-OH?

The CAS number of Fmoc-Cys(Acm)-OH is 86060-81-3.

What are the molecular formula and molecular weight of Fmoc-Cys(Acm)-OH?

Fmoc-Cys(Acm)-OH has molecular formula C21H22N2O5S and molecular weight 414.475 g/mol.

Is Fmoc-Cys(Acm)-OH hazardous?

Fmoc-Cys(Acm)-OH has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of Fmoc-Cys(Acm)-OH?

For Fmoc-Cys(Acm)-OH, Upstream Products: 9-Fluorenylmethyl chloroformate; Downstream Products: Fmoc-Cys(Acm)-OPfp.

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-Cys(Acm)-OH (CAS 86060-81-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19805-0 (accessed 2026-11-09).

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