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API Impurities

8-Chlorotheophylline

Reference StandardAvailable on request

8-Chlorotheophylline (CAS 85-18-7) supplier Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-027214.

Pack sizes
8-Chlorotheophylline chemical structure
CAS number85-18-7
FormulaC7H7ClN4O2
Molar mass214.61 g/mol
Physical formSolid
HS code38229090
InChIKeyRYIGNEOBDRVTHA-UHFFFAOYSA-N
IUPAC name8-chloro-1,3-dimethyl-7H-purine-2,6-dione

About 8-Chlorotheophylline

8-Chlorotheophylline is supplied by Zemixal as a characterised reference material for Theophylline analysis. Key data (Reference Standard): CAS 85-18-7, formula C7H7ClN4O2 and molar mass 214.61 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

Handling and storage

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. You receive a certificate of analysis with characterisation data with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Theophylline

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

Theophylline standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of 8-Chlorotheophylline
Product name8-Chlorotheophylline
Catalogue numberZX-027214
CAS number85-18-7
IUPAC name8-chloro-1,3-dimethyl-7H-purine-2,6-dione
Molecular formulaC7H7ClN4O2
Molar mass214.61 g/mol
Exact mass214.0258
GradeReference Standard
Physical formSolid
XLogP30.9
H-bond donors / acceptors1 / 3
Topological polar surface area69.3 Ų
HS code38229090
InChIKeyRYIGNEOBDRVTHA-UHFFFAOYSA-N
SMILESCN1C2=C(C(=O)N(C1=O)C)NC(=N2)Cl
PubChem CID10661
Synonyms1,3-Dimethyl-8-chloroxanthine, chlortheophylline, chlorotheophylline, 8-Chloro-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione, 8-Chloro-3,7-dihydro-1,3-dimethyl-1H-purine-2,6-dione, sodium-8-chlorotheophylline, 8-Chloro-1,3-dimethyl-1H-purine-2,6(3H,7H)-dione, Theophylline, 8-chloro-, 1H-Purine-2,6-dione, 8-chloro-3,7-dihydro-1,3-dimethyl-, 8-chloro-1,3-dimethyl-2,3,6,7-tetrahydro-1H-purine-2,6-dione

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

  • 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 8-Chlorotheophylline
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 8-Chlorotheophylline

Which CAS number identifies 8-Chlorotheophylline?
8-Chlorotheophylline is registered under CAS 85-18-7. You may also see it listed as 1,3-Dimethyl-8-chloroxanthine, chlortheophylline, chlorotheophylline. Our catalogue number for this item is ZX-027214.
What are the formula and molar mass of 8-Chlorotheophylline?
For 8-Chlorotheophylline, its formula is C7H7ClN4O2 and its molar mass is 214.61 g/mol. The systematic (IUPAC) name is 8-chloro-1,3-dimethyl-7H-purine-2,6-dione. InChIKey RYIGNEOBDRVTHA-UHFFFAOYSA-N lets you match it in any structure database.
How is 8-Chlorotheophylline used in pharmaceutical QC?
8-Chlorotheophylline is a characterised reference material linked to Theophylline. 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 8-Chlorotheophylline?
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 8-Chlorotheophylline?
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 8-Chlorotheophylline to my country?
Yes. Because 8-Chlorotheophylline 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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