Fmoc-S-acetaminomethyl-L-cysteine, 98%+

Name: Fmoc-S-acetaminomethyl-L-cysteine, 98%+
Brand: Vaqora Chemicals
SKU: VQ-002297

About Fmoc-S-acetaminomethyl-L-cysteine, 98%+

Listed under CAS 86060-81-3, Fmoc-S-acetaminomethyl-L-cysteine is a protected amino acid available from Vaqora Chemicals (Biochemistry grade) with a typical assay of ≥98%. The compound has the formula C21H22N2O5S, corresponding to a molecular weight of 414.5 g/mol. Systematically, it is named (2R)-3-(acetamidomethylsulfanyl)-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoic acid. Common synonyms include Na-Fmoc-S-acetaminomethyl-L-cysteine and Fmoc-cys (acm).

It is supplied as white to yellow to beige powder or crystals. Recommended storage is at room temperature in a dry place, with the container kept tightly sealed. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

Key uses span solid-phase peptide synthesis (SPPS), peptide drug discovery and medicinal chemistry. Buyers come mainly from academic and industrial research and diagnostics and biotechnology.

Available in 5 g and 25 g packs, Fmoc-S-acetaminomethyl-L-cysteine is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Solid-phase peptide synthesis (SPPS)
Peptide drug discovery
Medicinal chemistry

Industries

Specifications & identifiers

Chemical identifiers
Product name	Fmoc-S-acetaminomethyl-L-cysteine, 98%+
Catalogue No.	VQ-002297
CAS Number	86060-81-3
IUPAC name	(2R)-3-(acetamidomethylsulfanyl)-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoic acid
Molecular formula	C₂₁H₂₂N₂O₅S
Molecular weight	414.5 g/mol
Exact mass	414.1249
Grade	Biochemistry
Purity / assay	≥98%
HSN code	29379020
InChIKey	CSMYOORPUGPKAP-IBGZPJMESA-N
SMILES	CC(=O)NCSC[C@@H](C(=O)O)NC(=O)OCC1C2=CC=CC=C2C3=CC=CC=C13
PubChem CID	128799

Physical properties
Physical form	Crystalline
Appearance	White to yellow to beige powder or crystals
LogP (XLogP3)	2.7
H-bond donors / acceptors	3 / 6
TPSA	130 Å²
Storage	Room temperature
Synonyms	Na-Fmoc-S-acetaminomethyl-L-cysteine, Fmoc-cys (acm), Fmoc-S-acetamidomethyl-cys, N(alpha)-Fluorenylmethyloxycarbonyl-S-acetamidomethylcysteine, s-[(acetylamino)methyl]-n-[(9h-fluoren-9-ylmethoxy)carbonyl]-l-cysteine, S-((Acetylamino)methyl)-N-((9H-fluoren-9-ylmethoxy)carbonyl)-L-cysteine, Fmoc-Cys(Acm)-OH, Fmoc-S-acetamidomethyl-L-cysteine, fmoc-l-cys(acm)-oh, N-Fmoc-S-[(acetylamino)methyl]-L-cysteine, L-cysteine, S-[(acetylamino)methyl]-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-, N-(((9H-Fluoren-9-yl)methoxy)carbonyl)-S-(acetamidomethyl)-L-cysteine

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 86060-81-3

Cell Culture

Fmoc-S-acetaminomethyl-L-cysteine, cell culture tested

CAS: 86060-81-3
Formula: C₂₁H₂₂N₂O₅S
MW: 414.5 g/mol

VQ-046281

Frequently asked questions

What is the CAS number of Fmoc-S-acetaminomethyl-L-cysteine, 98%+?

The CAS Registry Number of Fmoc-S-acetaminomethyl-L-cysteine, 98%+ is 86060-81-3. It is also known as Na-Fmoc-S-acetaminomethyl-L-cysteine, Fmoc-cys (acm), Fmoc-S-acetamidomethyl-cys.

What is the molecular formula and molecular weight of Fmoc-S-acetaminomethyl-L-cysteine, 98%+?

Fmoc-S-acetaminomethyl-L-cysteine, 98%+ has the molecular formula C21H22N2O5S and a molecular weight of 414.5 g/mol. Its IUPAC name is (2R)-3-(acetamidomethylsulfanyl)-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoic acid.

Which grade and pack sizes of Fmoc-S-acetaminomethyl-L-cysteine, 98%+ can I order?

We supply Fmoc-S-acetaminomethyl-L-cysteine, 98%+ in Biochemistry (≥98%) grade, in 5 g, 25 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Fmoc-S-acetaminomethyl-L-cysteine, 98%+?

Yes. Every lot of Fmoc-S-acetaminomethyl-L-cysteine, 98%+ is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Fmoc-S-acetaminomethyl-L-cysteine, 98%+ be shipped internationally?

Yes. Fmoc-S-acetaminomethyl-L-cysteine, 98%+ is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

How should Fmoc-S-acetaminomethyl-L-cysteine, 98%+ be stored?

Room temperature. Keep the container tightly closed and refer to the SDS for full handling guidance.