Tetrasodium N,N-Bis(carboxymethyl)-L-glutamate CAS 51981-21-6
| CAS No. | 51981-21-6 |
| Molecular Formula | C9H9NNa4O8 |
| Molecular Weight | 351.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Tetrasodium N,N-Bis(carboxymethyl)-L-glutamate is closely related to a carbohydrate-derived structure, an amide group in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies Tetrasodium N,N-Bis(carboxymethyl)-L-glutamate (CAS 51981-21-6), a certified reference material (molecular formula C9H9NNa4O8, MW 351.13 g/mol) for analytical method development and quality control.
Structurally, Tetrasodium N,N-Bis(carboxymethyl)-L-glutamate (C9H9NNa4O8) contains a carbohydrate-derived structure, an amide group. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 351.13 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Tetrasodium N,N-Bis(carboxymethyl)-L-glutamate 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 | C9H9NNa4O8 |
| Molecular Weight | 351.13 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
| Nitrogen Atoms | 1 |
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- 2-(2,4-Dichlorophenyl)-5-(3-nitrophenyl)-1H-1,2,4-triazol-3(2H)-one (CAS 1000575-62-1)
- 1,3-Dichloro-9,9-dimethyl-7-(((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)acridin-2(9H)-one (CAS 503178-95-8)
- 6-Methylhept-5-en-2-yl acetate (CAS 19162-00-6)
- methyl 8-bromo-3-iodo-naphthalene-1-carboxylate (CAS 2387598-99-2)
- Ethyl 2-{[(2,4-dichlorobenzyl)oxy]imino}-3-oxobutanoate (CAS 75051-00-2)
- 3-Hydroxy-4-methyl-2-nitrobenzoic acid (CAS 6946-15-2)
- 4-Methyl-N'-[1-(6-methylpyridin-2-yl)-1H-imidazole-4-carbonyl]benzohydrazide (CAS 478077-78-0)
- 2-(Trifluoromethyl)acrylonitrile (CAS 381-84-0)
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