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API Process Intermediates & Related Compounds

OPD-3A

Reference StandardIn stock

Buy OPD-3A (CAS 763114-26-7) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-012739.

Pack sizes
OPD-3A chemical structure
CAS number763114-26-7
FormulaC16H11FN2O3
Molar mass298.27 g/mol
Physical formSolid
HS code2933
InChIKeyPAXLJNGPFJEKQX-UHFFFAOYSA-N
IUPAC name2-fluoro-5-[(4-oxo-3H-phthalazin-1-yl)methyl]benzoic acid

About OPD-3A

Zemixal supplies OPD-3A within its pharma Intermediates & Building Blocks portfolio. For your records (Reference Standard), the material is defined by CAS 763114-26-7, formula C16H11FN2O3 and molar mass 298.27 g/mol. It is handled as a solid.

Use cases we see most often

  • API route development
  • Impurity fate & purge studies
  • Analytical method development

Safe handling

Hazard communication follows GHS (Warning: H302+H312+H332, H302, H312 and H332). Our SDS lists exposure controls and first-aid measures.

Standard pack sizes are 10 mg, 25 mg, 50 mg, 100 mg and 250 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 Olaparib

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

Olaparib standards

Typical uses

  • API route development
  • Impurity fate & purge studies
  • Analytical method development

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of OPD-3A
Product nameOPD-3A
Catalogue numberZX-012739
CAS number763114-26-7
IUPAC name2-fluoro-5-[(4-oxo-3H-phthalazin-1-yl)methyl]benzoic acid
Molecular formulaC16H11FN2O3
Molar mass298.27 g/mol
Exact mass298.0754
GradeReference Standard
Physical formSolid
XLogP32.2
H-bond donors / acceptors2 / 5
Topological polar surface area78.8 Ų
HS code2933
InChIKeyPAXLJNGPFJEKQX-UHFFFAOYSA-N
SMILESC1=CC=C2C(=C1)C(=NNC2=O)CC3=CC(=C(C=C3)F)C(=O)O
PubChem CID24811740
Synonyms5-[(3,4-Dihydro-4-oxo-1-phthalazinyl)methyl]-2-fluorobenzoic acid, 2-Fluoro-5-(4-oxo-3,4-dihydrophthalazin-1-ylmethyl)benzoic acid, 2-Fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzoic acid, 2-fluoro-5-[(4-oxo-3,4-dihydrophthalazin-1-yl)methyl]benzoic acid, Benzoic acid, 5-[(3,4-dihydro-4-oxo-1-phthalazinyl)methyl]-2-fluoro-, Olapali Intermediate 3, Benzoic acid, 5-[(3,4-dihydr, CS-M1900, 2-Fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzoicacid, 2-fluoro-5-(4-oxo-3,4-dihydro-phthalazin-1-ylmethyl)-benzoic acid, 2-Fluoro-5-(4-oxo-3,4-dihydro-phthalazin-1-ylmethyl)benzoic acid, 2-Fluoro-5-[(4-oxo-3,4-dihydro-1-phthalazinyl)methyl]benzoic 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

  • H302+H312+H332Harmful if swallowed, in contact with skin or if inhaled
  • H302Harmful if swallowed
  • H312Harmful in contact with skin
  • H332Harmful if inhaled

Precautionary statements P261, P264, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P317, P321, P330, P362 + P364, 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 OPD-3A
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request
250 mgQuoted on request
500 mgQuoted on request
1 gQuoted on request

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

Questions about OPD-3A

Which CAS number identifies OPD-3A?
OPD-3A is registered under CAS 763114-26-7. You may also see it listed as 5-[(3,4-Dihydro-4-oxo-1-phthalazinyl)methyl]-2-fluorobenzoic acid, 2-Fluoro-5-(4-oxo-3,4-dihydrophthalazin-1-ylmethyl)benzoic acid, 2-Fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzoic acid. Our catalogue number for this item is ZX-012739.
What are the formula and molar mass of OPD-3A?
For OPD-3A, its formula is C16H11FN2O3 and its molar mass is 298.27 g/mol. The systematic (IUPAC) name is 2-fluoro-5-[(4-oxo-3H-phthalazin-1-yl)methyl]benzoic acid. InChIKey PAXLJNGPFJEKQX-UHFFFAOYSA-N lets you match it in any structure database.
How is OPD-3A used in pharmaceutical QC?
OPD-3A is a characterised reference material linked to Olaparib. 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 OPD-3A?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with OPD-3A?
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 OPD-3A to my country?
Yes. Because OPD-3A 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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