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VAQORACitrinin
Synonyms: Citriain · (3R,4S)-4,6-Dihydro-8-hydroxy-3,4,5-trimethyl-6-oxo-3H-2-benzopyran-7-carboxylic acid · (3R,4S)-8-hydroxy-3,4,5-trimethyl-6-oxo-4,6-dihydro-3H-isochromene-7-carboxylic acid · (3R-trans)-4,6-dihydro-8-hydroxy-3,4,5-trimethyl-6-oxo-3H-2-benzopyran-7-carboxylic acid
CAS No.518-75-2
FormulaC13H14O5
Mol. weight250.25
Catalogue No.VQ-047812
PurityReference Standard
HSN38229090
Citrinin (CAS 518-75-2) – Allopurinol reference standard. C13H14O5, MW 250.25. Get a quote from Vaqora Chemicals, COA included, shipped worldwide.
Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
Bulk / custom pack · kg to MT
Enquire Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing
About Citrinin
Citrinin is a high-purity reference standard of Allopurinol carrying the CAS registry number 518-75-2. Its molecular formula is C13H14O5 and its molecular weight is 250.25 g/mol. Systematically, it is named (3R,4S)-6-hydroxy-3,4,5-trimethyl-8-oxo-3,4-dihydroisochromene-7-carboxylic acid. Common synonyms include Citriain and (-)-Citrini.
It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Good laboratory practice and suitable PPE are recommended during handling.
As a reference sample of Allopurinol, it is used for identification, assay and impurity-profiling work during analytical method development, validation (AMV) and routine QC. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.
Vaqora Chemicals supplies Citrinin in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.
Typical applications
- Identification & assay
- Method development & validation
- QC reference material
Industries
Related to Allopurinol
View every impurity, metabolite and intermediate we list for Allopurinol.
Allopurinol impuritiesSpecifications & identifiers
| Product name | Citrinin |
|---|---|
| Catalogue No. | VQ-047812 |
| CAS Number | 518-75-2 |
| IUPAC name | (3R,4S)-6-hydroxy-3,4,5-trimethyl-8-oxo-3,4-dihydroisochromene-7-carboxylic acid |
| Molecular formula | C13H14O5 |
| Molecular weight | 250.25 g/mol |
| Exact mass | 250.0841 |
| Grade | Reference Standard |
| HSN code | 38229090 |
| InChIKey | CBGDIJWINPWWJW-IYSWYEEDSA-N |
| SMILES | C[C@@H]1[C@H](OC=C2C1=C(C(=C(C2=O)C(=O)O)O)C)C |
| PubChem CID | 54680783 |
| Physical form | Solid |
|---|---|
| LogP (XLogP3) | 1.7 |
| H-bond donors / acceptors | 2 / 5 |
| TPSA | 83.8 Ų |
| Synonyms | Citriain, (3R,4S)-4,6-Dihydro-8-hydroxy-3,4,5-trimethyl-6-oxo-3H-2-benzopyran-7-carboxylic acid, (3R,4S)-8-hydroxy-3,4,5-trimethyl-6-oxo-4,6-dihydro-3H-isochromene-7-carboxylic acid, (3R-trans)-4,6-dihydro-8-hydroxy-3,4,5-trimethyl-6-oxo-3H-2-benzopyran-7-carboxylic acid, 4,6-Dihydro-8-hydroxy-3,4,5-trimethyl-6-oxo-3H-2-benzopyran-7-carboxylic acid, 3H-2-Benzopyran-7-carboxylic acid, 4,6-dihydro-8-hydroxy-3,4,5-trimethyl-6-oxo-, (3R,4S)-, (3R,4S)-8-Hdroxy-3,4,5-trimethyl-6-oxo-4,6-dihydro-3H-isochromene-7-carboxylic acid, (-)-Citrini, 3,4-Dihydro-8-hydroxy-3,4,5-trimethyl-6H-6-oxobenzo(c)pyran-7-carboxylic acid, (3R,4S)-6-hydroxy-3,4,5-trimethyl-8-oxo-4,8-dihydro-3H-2-benzopyran-7-carboxylic acid, (3R,4S)-8-hydroxy-3,4,5-trimethyl-6-oxo-4,6-dihydro-3H-2-benzopyran-7-carboxylic acid |
Documents
Frequently asked questions
What is the CAS number of Citrinin?
The CAS Registry Number of Citrinin is 518-75-2. It is also known as Citriain, (3R,4S)-4,6-Dihydro-8-hydroxy-3,4,5-trimethyl-6-oxo-3H-2-benzopyran-7-carboxylic acid, (3R,4S)-8-hydroxy-3,4,5-trimethyl-6-oxo-4,6-dihydro-3H-isochromene-7-carboxylic acid.
What is the molecular formula and molecular weight of Citrinin?
Citrinin has the molecular formula C13H14O5 and a molecular weight of 250.25 g/mol. Its IUPAC name is (3R,4S)-6-hydroxy-3,4,5-trimethyl-8-oxo-3,4-dihydroisochromene-7-carboxylic acid.
What is Citrinin used for?
Citrinin is supplied as a characterised reference material related to Allopurinol. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.
Which grade and pack sizes of Citrinin can I order?
We supply Citrinin in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with Citrinin?
Yes. Every lot of Citrinin is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can Citrinin be shipped internationally?
Yes. We export Citrinin worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.
Enquire about Citrinin
We reply within one business day with price, pack options, lead time and documentation.
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