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API Process Intermediates & Related Compounds

Phthalimidophthalimide

Available on request

Order Phthalimidophthalimide (CAS 4388-29-8) online at Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-041633.

Pack sizes
Phthalimidophthalimide chemical structure
CAS number4388-29-8
FormulaC16H8N2O4
Molar mass292.24 g/mol
Physical formSolid
HS code2933
InChIKeyPSZKUURJDMPKFK-UHFFFAOYSA-N
IUPAC name2-(1,3-dioxoisoindol-2-yl)isoindole-1,3-dione

About Phthalimidophthalimide

Zemixal supplies Phthalimidophthalimide within its pharma Intermediates & Building Blocks portfolio. For your records, the material is defined by CAS 4388-29-8, formula C16H8N2O4 and molar mass 292.24 g/mol. It is handled as a solid.

Typical applications

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

Handling and storage

It carries the GHS signal word Warning (H400), 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. Each lot travels with 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 Suvorexant

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

Suvorexant 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 Phthalimidophthalimide
Product namePhthalimidophthalimide
Catalogue numberZX-041633
CAS number4388-29-8
IUPAC name2-(1,3-dioxoisoindol-2-yl)isoindole-1,3-dione
Molecular formulaC16H8N2O4
Molar mass292.24 g/mol
Exact mass292.0484
Physical formSolid
XLogP31.8
H-bond donors / acceptors0 / 4
Topological polar surface area74.8 Ų
HS code2933
InChIKeyPSZKUURJDMPKFK-UHFFFAOYSA-N
SMILESC1=CC=C2C(=C1)C(=O)N(C2=O)N3C(=O)C4=CC=CC=C4C3=O
PubChem CID96315
SynonymsN,N'-Biphthalimide, (2,2'-Bi-2H-isoindole)-1,1',3,3'-tetrone, n-Phthalimidophthalimide, [2,4'-Biisoindoline]-1,1',3,3'-tetraone, {[2,2'-Bi-2H-isoindole]-1,1',3,3'-tetrone}, 2-(1,3-dioxoisoindolin-2-yl)isoindoline-1,3-dione

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

Safety and GHS hazards

GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Warning

  • H400Very toxic to aquatic life

Precautionary statements P273, P391, 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 Phthalimidophthalimide
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 Phthalimidophthalimide

Which CAS number identifies Phthalimidophthalimide?
Phthalimidophthalimide is registered under CAS 4388-29-8. You may also see it listed as N,N'-Biphthalimide, (2,2'-Bi-2H-isoindole)-1,1',3,3'-tetrone, n-Phthalimidophthalimide. Our catalogue number for this item is ZX-041633.
What are the formula and molar mass of Phthalimidophthalimide?
For Phthalimidophthalimide, its formula is C16H8N2O4 and its molar mass is 292.24 g/mol. The systematic (IUPAC) name is 2-(1,3-dioxoisoindol-2-yl)isoindole-1,3-dione. InChIKey PSZKUURJDMPKFK-UHFFFAOYSA-N lets you match it in any structure database.
How is Phthalimidophthalimide used in pharmaceutical QC?
Phthalimidophthalimide is a characterised reference material linked to Suvorexant. 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 Phthalimidophthalimide?
The grade and assay are confirmed on the quotation and the batch COA. 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 Phthalimidophthalimide?
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 Phthalimidophthalimide to my country?
Yes. Because Phthalimidophthalimide 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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