API Process Intermediates & Related Compounds

H-Cys(Trt)-OH

Name: H-Cys(Trt)-OH
Brand: Zemixal
SKU: ZX-041321

Available on request

Buy H-Cys(Trt)-OH (CAS 2799-07-7) from Zemixal: C22H21NO2S, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-041321.

Pack sizes

CAS number2799-07-7

FormulaC₂₂H₂₁NO₂S

Molar mass363.5 g/mol

Physical formSolid

HS code2933

InChIKeyDLMYFMLKORXJPO-FQEVSTJZSA-N

IUPAC name(2R)-2-amino-3-tritylsulfanylpropanoic acid

About H-Cys(Trt)-OH

H-Cys(Trt)-OH is part of the Zemixal API Process Intermediates & Related Compounds range. For your records, the material is defined by CAS 2799-07-7, formula C22H21NO2S and molar mass 363.5 g/mol. It is handled as a solid.

Common uses in the lab and plant

API route development
Impurity fate & purge studies
Analytical method development

Storage and safety notes

It carries the GHS signal word Warning (H302), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Every shipment includes a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Acetone

See every impurity, metabolite and related compound we list for this API.

Acetone standards

Typical uses

API route development
Impurity fate & purge studies
Analytical method development

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of H-Cys(Trt)-OH
Product name	H-Cys(Trt)-OH
Catalogue number	ZX-041321
CAS number	2799-07-7
IUPAC name	(2R)-2-amino-3-tritylsulfanylpropanoic acid
Molecular formula	C₂₂H₂₁NO₂S
Molar mass	363.5 g/mol
Exact mass	363.1293
Physical form	Solid
XLogP3	2
H-bond donors / acceptors	2 / 4
Topological polar surface area	88.6 Å²
HS 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
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)-

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Irritant or harmful

Signal word Warning

H302Harmful if swallowed

Precautionary statements P264, P270, P301 + P317, P330, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of H-Cys(Trt)-OH
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about H-Cys(Trt)-OH

Which CAS number identifies H-Cys(Trt)-OH?

H-Cys(Trt)-OH is registered under CAS 2799-07-7. You may also see it listed as S-Trityl-L-cysteine, S-(Triphenylmethyl)-L-cysteine, 3-Tritylthio-L-alanine. Our catalogue number for this item is ZX-041321.

What are the formula and molar mass of H-Cys(Trt)-OH?

For H-Cys(Trt)-OH, its formula is C22H21NO2S and its molar mass is 363.5 g/mol. The systematic (IUPAC) name is (2R)-2-amino-3-tritylsulfanylpropanoic acid. InChIKey DLMYFMLKORXJPO-FQEVSTJZSA-N lets you match it in any structure database.

How is H-Cys(Trt)-OH used in pharmaceutical QC?

H-Cys(Trt)-OH is a characterised reference material linked to Acetone. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for H-Cys(Trt)-OH?

The grade and assay are confirmed on the quotation and the batch COA. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with H-Cys(Trt)-OH?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship H-Cys(Trt)-OH to my country?

Yes. Because H-Cys(Trt)-OH is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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