(2R,6R)-1-(tert-Butoxycarbonyl)-6-methylpiperidine-2-carboxylic acid
- CAS
- 2166006-41-1
- Formula
- C12H21NO4
- MW
- 243.3 g/mol
ZX-034748
API Impurities
4-Methylphthalic anhydride
Reference StandardAvailable on request
Order 4-Methylphthalic anhydride (CAS 19438-61-0) online at Zemixal. Request a quote with price, lead time and documents.
CAS number19438-61-0
FormulaC9H6O3
Molar mass162.14 g/mol
Physical formSolid
HS code38229090
InChIKeyZOXBWJMCXHTKNU-UHFFFAOYSA-N
IUPAC name5-methyl-2-benzofuran-1,3-dione
About 4-Methylphthalic anhydride
4-Methylphthalic anhydride is part of the Zemixal API Impurities range. For your records (Reference Standard), the material is defined by CAS 19438-61-0, formula C9H6O3 and molar mass 162.14 g/mol. It is handled as a solid.
Where it is used
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Storage and safety notes
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. Each lot travels with a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Applications
Specifications and identifiers
| Product name | 4-Methylphthalic anhydride |
|---|---|
| Catalogue number | ZX-034745 |
| CAS number | 19438-61-0 |
| IUPAC name | 5-methyl-2-benzofuran-1,3-dione |
| Molecular formula | C9H6O3 |
| Molar mass | 162.14 g/mol |
| Exact mass | 162.0317 |
| Grade | Reference Standard |
| Physical form | Solid |
| XLogP3 | 1.7 |
| H-bond donors / acceptors | 0 / 3 |
| Topological polar surface area | 43.4 Ų |
| HS code | 38229090 |
| InChIKey | ZOXBWJMCXHTKNU-UHFFFAOYSA-N |
| SMILES | CC1=CC2=C(C=C1)C(=O)OC2=O |
| PubChem CID | 88069 |
| Synonyms | 1,3-Isobenzofurandione, 5-methyl-, Phthalic anhydride, 4-methyl-, 4-methylphthalic acid anhydride, Phthalic anhydride, 4methyl, 5Methylisobenzofuran1,3dione, 4Methylphthalic acid anhydride, 1,3Isobenzofurandione, 5methyl, 5-methyl-1,3-dihydro-2-benzofuran-1,3-dione, 4-Methylphthalic anhydryde |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
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
| 10 mg | Quoted on request | |
| 25 mg | Quoted on request | |
| 50 mg | Quoted on request | |
| 100 mg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about 4-Methylphthalic anhydride
Which CAS number identifies 4-Methylphthalic anhydride?
4-Methylphthalic anhydride is registered under CAS 19438-61-0. You may also see it listed as 1,3-Isobenzofurandione, 5-methyl-, Phthalic anhydride, 4-methyl-, 4-methylphthalic acid anhydride. Our catalogue number for this item is ZX-034745.
What are the formula and molar mass of 4-Methylphthalic anhydride?
For 4-Methylphthalic anhydride, its formula is C9H6O3 and its molar mass is 162.14 g/mol. The systematic (IUPAC) name is 5-methyl-2-benzofuran-1,3-dione. InChIKey ZOXBWJMCXHTKNU-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for 4-Methylphthalic anhydride?
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 4-Methylphthalic anhydride?
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 4-Methylphthalic anhydride to my country?
Yes. Because 4-Methylphthalic anhydride 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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