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Pharmacopeial Impurities (EP / USP / BP)

Lisinopril EP Impurity B (Freebase)

Reference StandardAvailable on request

Buy Lisinopril EP Impurity B (Freebase) (CAS 104-15-4) from Zemixal. Request a quote with price, lead time and documents.

Pack sizes
Lisinopril EP Impurity B (Freebase) chemical structure
CAS number104-15-4
FormulaC7H8O3S
Molar mass172.2 g/mol
Physical formSolid
HS code38229090
InChIKeyJOXIMZWYDAKGHI-UHFFFAOYSA-N
IUPAC name4-methylbenzenesulfonic acid

About Lisinopril EP Impurity B (Freebase)

Lisinopril EP Impurity B (Freebase) is supplied by Zemixal as a characterised reference material for Lisinopril analysis. For your records (Reference Standard), the material is defined by CAS 104-15-4, formula C7H8O3S and molar mass 172.2 g/mol. It is handled as a solid.

Use cases we see most often

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Handling and storage

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. You receive a certificate of analysis with characterisation data with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Lisinopril

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

Lisinopril standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Lisinopril EP Impurity B (Freebase)
Product nameLisinopril EP Impurity B (Freebase)
Catalogue numberZX-005805
CAS number104-15-4
Other CAS numbers6192-52-5
IUPAC name4-methylbenzenesulfonic acid
Molecular formulaC7H8O3S
Molar mass172.2 g/mol
Exact mass172.0194
GradeReference Standard
Physical formSolid
XLogP31.7
H-bond donors / acceptors1 / 3
Topological polar surface area62.8 Ų
HS code38229090
InChIKeyJOXIMZWYDAKGHI-UHFFFAOYSA-N
SMILESCC1=CC=C(C=C1)S(=O)(=O)O
PubChem CID6101
Synonyms4-Methylbenzenesulphonic Acid, Toluene 4-sulphonic acid, 4-Methylbenzene-1-sulfonic acid, 4-Toluenesulfonic acid, P-Toluene sulfonic acid/PTSA, Toluenesulfonic acid, Tosic acid, TsOH, Anastrozole EP Impurity F, p-Toluenesulphonic acid, Toluene-4-sulfonic acid, p-Tolylsulfonic 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 Lisinopril EP Impurity B (Freebase)
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 Lisinopril EP Impurity B (Freebase)

Which CAS number identifies Lisinopril EP Impurity B (Freebase)?
Lisinopril EP Impurity B (Freebase) is registered under CAS 104-15-4. You may also see it listed as 4-Methylbenzenesulphonic Acid, Toluene 4-sulphonic acid, 4-Methylbenzene-1-sulfonic acid. Our catalogue number for this item is ZX-005805.
What are the formula and molar mass of Lisinopril EP Impurity B (Freebase)?
For Lisinopril EP Impurity B (Freebase), its formula is C7H8O3S and its molar mass is 172.2 g/mol. The systematic (IUPAC) name is 4-methylbenzenesulfonic acid. InChIKey JOXIMZWYDAKGHI-UHFFFAOYSA-N lets you match it in any structure database.
How is Lisinopril EP Impurity B (Freebase) used in pharmaceutical QC?
Lisinopril EP Impurity B (Freebase) is a characterised reference material linked to Lisinopril. 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 Lisinopril EP Impurity B (Freebase)?
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 Lisinopril EP Impurity B (Freebase)?
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 Lisinopril EP Impurity B (Freebase) to my country?
Yes. Because Lisinopril EP Impurity B (Freebase) 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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