5-Fluorouracil-6-d1 CAS 90344-84-6
| CAS No. | 90344-84-6 |
| Molecular Formula | - |
| Molecular Weight | 131.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 131.08 g/mol gives 5-Fluorouracil-6-d1 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 5-Fluorouracil-6-d1 (CAS 90344-84-6), a certified reference material (molecular formula C4H2DFN2O2, MW 131.08 g/mol) for analytical method development and quality control.
Owing to deuterium isotope labeling, an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, 5-Fluorouracil-6-d1 is typically off-white to pale yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 131.08 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C4H2DFN2O2 |
| Molecular Weight | 131.08 g/mol |
| Purity | ＞95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Fluorouracil Standards
- 5-Fluorouracil-15N2 (CAS 68941-95-7)
- 5-Fluorouracil-13C,15N2 (CAS 1189423-58-2)
- Fluorouracil EP Impurity A (CAS 67-52-7)
- Fluorouracil Impurity 18 (CAS 25902-86-7)
- Fluorouracil EP Impurity D (CAS 6623-81-0)
- Fluorouracil Impurity 22 (CAS CATO-C4X-164922)
- Fluorouracil Impurity 30 (CAS CATO-C4X-164930)
- Fluorouracil Impurity 3 (CAS 4840-69-1)
Recommended Standards
- 5,6-Difluoropyridin-2-ol (CAS 30332-72-0)
- 3-(Hydroxymethyl)oxazolidine-2,4-dione (CAS 144365-55-9)
- 4,6-Difluoropyrimidin-5-amine (CAS 669-80-7)
- (R)-2-Oxooxazolidine-5-carboxylic acid (CAS 145308-08-3)
- 2-[1-Methyl-3-(trifluoromethyl)-1H-thieno[2,3-c]pyrazol-5-yl]-5-phenyl-1,3,4-oxadiazole (CAS 400082-47-5)
- N-Ethyl-3-(6-methoxypyridin-3-yl)benzamide (CAS 1375069-32-1)
- 1-(2-Chloro-4-fluoropyridin-3-yl)ethan-1-one (CAS 1935107-31-5)
- tert-Butyl 3-((S)-2-(((benzyloxy)carbonyl)amino)-3-methoxy-3-oxopropyl)piperidine-1-carboxylate (CAS 1217521-20-4)
- Methyl 3-(3-(dimethylamino)propoxy)benzoate (CAS 921938-75-2)
- n-[3-(4-tert-Butylbenzoyl)-6-methyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl]-2-chloroacetamide (CAS 792954-17-7)
- 2-Methyl-4-phenylbutanal (CAS 40654-82-8)
- 3-Morpholinobenzoic Acid (CAS 215309-00-5)
- 3-(4-Methoxyphenoxy)propan-1-ol (CAS 118943-21-8)
- Peptide 74 (H-8545.0500) (CAS 132116-39-3)
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