Active ingredientGemfibrozilCat. No. P-G024-001CAS 25812-30-0
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Pharmacopoeial impurity · Gemfibrozil family
Pharmaceutical analytical standardGemfibrozil EP Impurity A
Synonyms: p-Xylenol, 2,5-Dimethylphenol, Phenol, 2,5-dimethyl-, FEMA No. 3595, NSC 2599, Hydroxy-p-xylene, Dimethylphenol, 2,5-, Xylenol 2,5-dimethylphenol
- Cat. No.
- P-G024-002
- CAS
- 95-87-4
- Alternative CAS
- 25498-21-9 (alternative CAS, same compound)
- Formula
- C8H10O
- Molecular weight
- 122.17 g/mol
- Category
- Pharmacopoeial impurity (EP/USP)
Family: Gemfibrozil
A fibrate that activates PPAR-alpha receptors in the liver: it mainly lowers triglycerides and raises HDL, the 'good' cholesterol. It has been used against lipid disorders since the early 1980s.
Did you know?It was at the centre of the Helsinki Heart Study, a trial carried out in Finland on more than 4,000 men and published in 1987, in which it reduced heart attacks compared with placebo.
The two levels compared
| Level 1 Mass balance | Level 2 Mass balance + qNMR | |
|---|---|---|
| Identity (IR, MS, 1H and 13C-NMR; peptides: ESI-MS, MALDI-TOF and IR) | ✓ | ✓ |
| HPLC purity (min. 95%) | ✓ | ✓ |
| Content by mass balance (min. 90%; peptides: for information only)* | ✓ | ✓ |
| Content verified by qNMR (small molecules only) | · | ✓ |
| Suitable to qualify it as an in-house primary standard (ICH Q7) | · | ✓ |
* Mass balance is performed on every molecule. The only exceptions are cases where the chemistry of the molecule prevents it, for example oils and highly volatile substances, on which some of the required measurements cannot be made: in those cases the CoA states how the content was assigned.
What you receive
The analytical standard
Shipped under controlled temperature when the molecule requires it.
Certificate of analysis (CoA)
For every lot: identity, purity and assay, with the supporting spectra and chromatograms.
Safety data sheet (SDS)
Sent with every order.
Tracked shipment
Follow your shipment live, from our warehouse to your lab.
More products in the Gemfibrozil family
Active ingredientGemfibrozilCat. No. P-G024-001CAS 25812-30-0
Pharmacopoeial impurityGemfibrozil EP Impurity ECat. No. P-G024-004CAS 500904-61-0
Pharmacopoeial impurityGemfibrozil EP Impurity FCat. No. P-G024-005CAS 500904-64-3
Pharmacopoeial impurityGemfibrozil EP Impurity HCat. No. P-G024-006CAS 415724-02-6
Pharmacopoeial impurityGemfibrozil EP Impurity ICat. No. P-G024-007CAS 149105-25-9
Pharmacopoeial impurityGemfibrozil Related Compound D (Mixture of Z and E Isomers)Cat. No. P-G024-008CAS 1798429-95-4
MetaboliteGemfibrozil Acyl GlucuronideCat. No. P-G024-009CAS 91683-38-4
Isotopically labelledGemfibrozil Acyl beta-D-Glucuronide-d6Cat. No. P-G024-010CAS 1703747-47-0Frequently asked questions
Is mass balance always performed?
Yes, on every molecule. The only exceptions are cases where the chemistry of the molecule prevents it: for example oils and highly volatile substances, on which some measurements (such as thermogravimetry) cannot be made. In those cases the CoA states which method was used to assign the content.
Can I ask for a different quantity?
Yes. The quantities are only suggestions: choose "Other" and enter the milligrams or grams you need.
Which level should I choose?
Level 1 is enough for most routine testing. Level 2 adds an independent qNMR content value and is meant for labs that need to qualify an in-house primary standard. For peptides and similar molecules, Level 2 is not available.
When will I get the quote?
Within 24 working hours, with price, availability and delivery time.
Need a molecule you cannot find?
Custom synthesis of impurities, metabolites and labelled compounds, with the same characterisation level.