Folic acid tetraglutamate CAS 33611-85-7
| CAS No. | 33611-85-7 |
| Molecular Formula | C39H47N11O18 |
| Molecular Weight | 957.85 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Folic acid tetraglutamate (C39H47N11O18) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 22.0, corresponding to approximately 22 ring(s) or double-bond equivalent(s). With a molecular weight of 957.85 g/mol, it falls into the high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Folic acid tetraglutamate (CAS 33611-85-7) is a high-purity analytical reference standard with the molecular formula C39H47N11O18 and a molecular weight of 957.85 g/mol.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), Folic acid tetraglutamate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C39H47N11O18 |
| Molecular Weight | 957.85 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 22.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Nitrogen Atoms | 11 |
Related Folic Standards
- Folic Acid Impurity 64 (CAS CATO-C4X-139564)
- Folic Acid Impurity 50 (CAS CATO-C4X-139550)
- Folic acid impurity 59 (CAS 29701-38-0)
- Folic Acid EP Impurity H (CAS 2366274-27-1)
- Folic Acid EP Impurity E (CAS 1391068-26-0)
- Folic Acid NHS Ester (gamma : alpha =2 :1) (CAS 153445-05-7)
- Folic Acid Impurity 71 (CAS CATO-C4X-139571)
- Folic Acid Impurity 46 Disodium Salt (CAS 914800-65-0)
Recommended Standards
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- 2,3,4,6-Tetra-O-benzoyl-α-D-glucopyranosyl p-Trifluoromethylbenzylthio-N-(p-trifluoromethylphenyl)formimidate (CAS 428816-48-2)
- S6-1 (CAS 93674-74-9)
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- Benzyl (R)-2-ethynyl-2-(trifluoromethyl)pyrrolidine-1-carboxylate (CAS 2306245-08-7)
- Methyl 4-(4-cyanophenoxy)benzoate (CAS 201480-94-6)
- N-(1-Acetyl-1,2,3,4-tetrahydroquinolin-6-yl)propane-1-sulfonamide (CAS 941871-39-2)
- [3-bromo-2-(difluoromethoxy)phenyl]methanamine hydrochloride (CAS 1432681-22-5)
- 3,4-Dihydroquinolin-1(2H)-amine (CAS 5825-45-6)
- Troxipide Impurity 28 (CAS CATO-C4X-214828)
- D-Pro36-Tirzepatide (CAS CATO-CPTD788903)
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