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API Impurities

Tri-Salicylic Acid

Reference StandardAvailable on request

Order Tri-Salicylic Acid (CAS 85531-17-5) online at Zemixal. Request a quote with price, lead time and documents. Packs from 10 mg.

Pack sizes
Tri-Salicylic Acid chemical structure
CAS number85531-17-5
FormulaC21H14O7
Molar mass378.3 g/mol
Physical formSolid
HS code38229090
InChIKeyYVJQWLQBUBZFTE-UHFFFAOYSA-N
IUPAC name2-[2-(2-hydroxybenzoyl)oxybenzoyl]oxybenzoic acid

About Tri-Salicylic Acid

Analytical teams working on Acetylsalicylic Acid use Tri-Salicylic Acid as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 85531-17-5, formula C21H14O7 and molar mass 378.3 g/mol. It is handled as a solid.

Typical applications

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

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. 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 Acetylsalicylic Acid

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

Acetylsalicylic Acid standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of Tri-Salicylic Acid
Product nameTri-Salicylic Acid
Catalogue numberZX-027874
CAS number85531-17-5
IUPAC name2-[2-(2-hydroxybenzoyl)oxybenzoyl]oxybenzoic acid
Molecular formulaC21H14O7
Molar mass378.3 g/mol
Exact mass378.074
GradeReference Standard
Physical formSolid
XLogP34.5
H-bond donors / acceptors2 / 7
Topological polar surface area110 Ų
HS code38229090
InChIKeyYVJQWLQBUBZFTE-UHFFFAOYSA-N
SMILESC1=CC=C(C(=C1)C(=O)OC2=CC=CC=C2C(=O)OC3=CC=CC=C3C(=O)O)O
PubChem CID57871430
Synonyms2-((2-((2-Hydroxybenzoyl)oxy)benzoyl)oxy)benzoic acid, Benzoic acid, 2-[(2-hydroxybenzoyl)oxy]-, 2-carboxyphenyl ester, 2-({2-[(2-Hydroxybenzoyl)oxy]benzoyl}oxy)benzoic acid, 2-((2-((2-Hydroxybenzoyl)oxy)benzoyl)oxy)benzoicacid

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

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Tri-Salicylic 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 Tri-Salicylic Acid

Which CAS number identifies Tri-Salicylic Acid?
Tri-Salicylic Acid is registered under CAS 85531-17-5. You may also see it listed as 2-((2-((2-Hydroxybenzoyl)oxy)benzoyl)oxy)benzoic acid, Benzoic acid, 2-[(2-hydroxybenzoyl)oxy]-, 2-carboxyphenyl ester, 2-({2-[(2-Hydroxybenzoyl)oxy]benzoyl}oxy)benzoic acid. Our catalogue number for this item is ZX-027874.
What are the formula and molar mass of Tri-Salicylic Acid?
For Tri-Salicylic Acid, its formula is C21H14O7 and its molar mass is 378.3 g/mol. The systematic (IUPAC) name is 2-[2-(2-hydroxybenzoyl)oxybenzoyl]oxybenzoic acid. InChIKey YVJQWLQBUBZFTE-UHFFFAOYSA-N lets you match it in any structure database.
How is Tri-Salicylic Acid used in pharmaceutical QC?
Tri-Salicylic Acid is a characterised reference material linked to Acetylsalicylic Acid. 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 Tri-Salicylic 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 Tri-Salicylic 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 Tri-Salicylic Acid to my country?
Yes. Tri-Salicylic Acid ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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