Folic Acid Impurity 28 CAS 712-29-8
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 712-29-8 |
| Molecular Formula | C7H7N5O2 |
| Molecular Weight | 193.16 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Folic Acid Impurity 28 (CAS 712-29-8) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C7H7N5O2. Molecular weight: 193.16 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C7H7N5O2 |
| Molecular Weight | 193.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 5 |
Related Folic Standards
- Folic Acid Impurity 25 (CAS 694514-39-1)
- Folic Acid Impurity 17 (CAS 712-30-1)
- Folic Acid Impurity 61 (CAS 99778-32-2)
- Folic Acid Impurity 29 (CAS 708-75-8)
- Folic Acid Impurity 45 (CAS 1182291-60-6)
- Folic Acid EP Impurity F (CAS 1391194-56-1)
- Folic Acid Impurity 22 (CAS 921-03-9)
- Folic acid EP Impurity B (CAS 1004-75-7)
Recommended Standards
- Levodopa Impurity 8 (CAS 4790-08-3)
- Acyclovir Impurity 5 (CAS 19962-37-9)
- Epinephrine /Adrenaline Impurity 133 (CAS CATO-C4X-1849133)
- Empagliflozin Impurity N32 (CAS 2452301-14-1)
- Eravacycline impurity 15 (CAS CATO-C4X-293815)
- 1-(5-Bromothiophen-2-yl)-3-cyclopropylpropane-1,3-dione (CAS 1267403-87-1)
- N-(2-(3,5-Dimethyl-1H-pyrazol-1-yl)propyl)thiophene-2-carboxamide (CAS 890601-70-4)
- 2-Acetamido-6-chloro-9-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)purine (CAS 137896-02-7)
- Ethyl 3-amino-4,4,4-trifluorobutanoate hydrochloride (CAS 146425-31-2)
- [Formaldehyde Schiff-base]-Semaglutide Impurity 136 X TFA Salt (CAS CATO-C4X-2226136)
Why CATO?
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