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API Impurities

(R)-2-Thioxothiazolidine-4-carboxylic Acid

Reference StandardAvailable on request

Order (R)-2-Thioxothiazolidine-4-carboxylic Acid (CAS 98169-56-3) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes
(R)-2-Thioxothiazolidine-4-carboxylic Acid chemical structure
CAS number98169-56-3
FormulaC4H5NO2S2
Molar mass163.2 g/mol
Physical formSolid
HS code38229090
InChIKeySQUOCHQOQMZGQP-REOHCLBHSA-N
IUPAC name(4R)-2-sulfanylidene-1,3-thiazolidine-4-carboxylic acid

About (R)-2-Thioxothiazolidine-4-carboxylic Acid

Zemixal lists (R)-2-Thioxothiazolidine-4-carboxylic Acid for laboratories that identify, quantify or control Tretinoin and its related substances. For your records (Reference Standard), the material is defined by CAS 98169-56-3, formula C4H5NO2S2 and molar mass 163.2 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Storage and safety notes

It carries the GHS signal word Warning (H315, H319 and H335), so wear gloves and eye protection and work with good ventilation.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Every shipment includes a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Tretinoin

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

Tretinoin standards

Typical uses

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of (R)-2-Thioxothiazolidine-4-carboxylic Acid
Product name(R)-2-Thioxothiazolidine-4-carboxylic Acid
Catalogue numberZX-043611
CAS number98169-56-3
IUPAC name(4R)-2-sulfanylidene-1,3-thiazolidine-4-carboxylic acid
Molecular formulaC4H5NO2S2
Molar mass163.2 g/mol
Exact mass162.9762
GradeReference Standard
Physical formSolid
XLogP30.5
H-bond donors / acceptors2 / 4
Topological polar surface area107 Ų
HS code38229090
InChIKeySQUOCHQOQMZGQP-REOHCLBHSA-N
SMILESC1[C@H](NC(=S)S1)C(=O)O
PubChem CID3035791
SynonymsRaphanusamic acid, (4R)-2-thioxo-4-thiazolidinecarboxylic acid, (4R)-2-Thioxo-1,3-thiazolidine-4-carboxylic acid, (R)-(-)-2-Thioxo-4-thiazolidinecarboxylic acid, (4R)-(-)-2-Thioxo-4-thiazolidinecarboxylic acid, (4R)-()-2-Thioxo-4-thiazolidinecarboxylic acid, 2-Thiothiazolidine-4-carboxylic acid, (4R)-5-carboxythiazolidine-2-thione, (r)thiazolidine-2-thione-4-carboxylic acid, (4r)-(-)-2-thiazolidinethione-4-carboxylic acid

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

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • 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 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 (R)-2-Thioxothiazolidine-4-carboxylic Acid
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

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

Questions about (R)-2-Thioxothiazolidine-4-carboxylic Acid

Which CAS number identifies (R)-2-Thioxothiazolidine-4-carboxylic Acid?
(R)-2-Thioxothiazolidine-4-carboxylic Acid is registered under CAS 98169-56-3. You may also see it listed as Raphanusamic acid, (4R)-2-thioxo-4-thiazolidinecarboxylic acid, (4R)-2-Thioxo-1,3-thiazolidine-4-carboxylic acid. Our catalogue number for this item is ZX-043611.
What are the formula and molar mass of (R)-2-Thioxothiazolidine-4-carboxylic Acid?
For (R)-2-Thioxothiazolidine-4-carboxylic Acid, its formula is C4H5NO2S2 and its molar mass is 163.2 g/mol. The systematic (IUPAC) name is (4R)-2-sulfanylidene-1,3-thiazolidine-4-carboxylic acid. InChIKey SQUOCHQOQMZGQP-REOHCLBHSA-N lets you match it in any structure database.
How is (R)-2-Thioxothiazolidine-4-carboxylic Acid used in pharmaceutical QC?
(R)-2-Thioxothiazolidine-4-carboxylic Acid is a characterised reference material linked to Tretinoin. 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 (R)-2-Thioxothiazolidine-4-carboxylic Acid?
This listing is Reference Standard grade. 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 (R)-2-Thioxothiazolidine-4-carboxylic Acid?
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 (R)-2-Thioxothiazolidine-4-carboxylic Acid to my country?
Yes. Because (R)-2-Thioxothiazolidine-4-carboxylic Acid 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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