H-Cys(Trt)-OH

About H-Cys(Trt)-OH

H-Cys(Trt)-OH is a process intermediate or related compound of Acetone carrying the CAS registry number 2799-07-7. Its molecular formula is C22H21NO2S and its molecular weight is 363.5 g/mol. The IUPAC name is (2R)-2-amino-3-tritylsulfanylpropanoic acid. Alternative names: S-Trityl-L-cysteine and S-(Triphenylmethyl)-L-cysteine.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

It is a process intermediate or related compound in the synthesis of Acetone, useful for route development, impurity fate-and-purge studies and analytical method development. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, H-Cys(Trt)-OH is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Acetone

View every impurity, metabolite and intermediate we list for Acetone.

Acetone impurities

Specifications & identifiers

Chemical identifiers
Product name	H-Cys(Trt)-OH
Catalogue No.	VQ-051359
CAS Number	2799-07-7
IUPAC name	(2R)-2-amino-3-tritylsulfanylpropanoic acid
Molecular formula	C₂₂H₂₁NO₂S
Molecular weight	363.5 g/mol
Exact mass	363.1293
HSN code	2933
InChIKey	DLMYFMLKORXJPO-FQEVSTJZSA-N
SMILES	C1=CC=C(C=C1)C(C2=CC=CC=C2)(C3=CC=CC=C3)SC[C@@H](C(=O)O)N
PubChem CID	76044

Physical properties
Physical form	Solid
LogP (XLogP3)	2
H-bond donors / acceptors	2 / 4
TPSA	88.6 Å²
Synonyms	S-Trityl-L-cysteine, S-(Triphenylmethyl)-L-cysteine, 3-Tritylthio-L-alanine, Tritylcysteine, 2-amino-3-tritylsulfanylpropanoic acid, (+)-S-Trityl-L-cysteine, S-Tritylcysteine, (2R)-2-amino-3-[(triphenylmethyl)sulfanyl]propanoic acid, (R)-2-amino-3-(tritylthio)propanoic acid, Alanine, 3-(tritylthio)-, L-, S-Triphenylmethyl-L-cysteine, L-Alanine, 3-(tritylthio)-

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, 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

Frequently asked questions

What is the CAS number of H-Cys(Trt)-OH?

The CAS Registry Number of H-Cys(Trt)-OH is 2799-07-7. It is also known as S-Trityl-L-cysteine, S-(Triphenylmethyl)-L-cysteine, 3-Tritylthio-L-alanine.

What is the molecular formula and molecular weight of H-Cys(Trt)-OH?

H-Cys(Trt)-OH has the molecular formula C22H21NO2S and a molecular weight of 363.5 g/mol. Its IUPAC name is (2R)-2-amino-3-tritylsulfanylpropanoic acid.

What is H-Cys(Trt)-OH used for?

H-Cys(Trt)-OH is supplied as a characterised reference material related to Acetone. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of H-Cys(Trt)-OH can I order?

We supply H-Cys(Trt)-OH, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with H-Cys(Trt)-OH?

Yes. Every lot of H-Cys(Trt)-OH 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 H-Cys(Trt)-OH be shipped internationally?

Yes. H-Cys(Trt)-OH 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.