5',5''''-Methylenebis(2'-amino-[1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid) CAS 2378131-12-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2378131-12-3 |
| Molecular Formula | C41H30N2O8 |
| Molecular Weight | 678.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5',5''''-Methylenebis(2'-amino-[1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid) (CAS 2378131-12-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C41H30N2O8. Molecular weight: 678.69 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C41H30N2O8 |
| Molecular Weight | 678.69 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) | 28.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Nitrogen Atoms | 2 |
Related Methylenebis Standards
- 2,2-[Methylenebis[(2-chloro-4,1-phenylene)iminocarbonylimino-4,1-phenyleneoxy]]bis[2-methylpropanoic acid] (CAS 245075-84-7)
- 2,2'-(Methylenebis(oxy))bis(ethan-1-ol) (CAS 2565-36-8)
- 2,2'-(4,4'-(4,4'-Methylenebis(4,1-phenylene)bis(azanediyl))bis(oxomethylene)bis(azanediyl)bis(4,1-phenylene))bis(oxy)bis(2-methylpropanoic acid) (CAS 1415560-60-9)
- Methylenebis(triphenylphosphonium) bromide (CAS 14529-09-0)
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- 2,2'-methylenebis[(4 <I> R </I> ,5 <I> S </I>)-4,5-diphenyl-2-oxazoline] (CAS 139021-82-2)
Recommended Standards
- PBT Impurity 58 (CAS 210566-88-4)
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- 2-((1-Methyl-4-nitro-1H-pyrazol-3-yl)oxy)benzaldehyde (CAS 1429419-00-0)
- 8-(2-(4-Chlorophenyl)acetyl)-1,3-dimethyl-1,3,8-triazaspiro[4.5]decane-2,4-dione (CAS 1040672-75-0)
- 2-(3,4-Dihydronaphthalen-2-yl)acetic acid (CAS 54154-71-1)
- 4-Methyl-6-((6-methylbenzo[d]thiazol-2-yl)carbamoyl)cyclohex-3-ene-1-carboxylic acid (CAS 436088-55-0)
- 2-(1,2,4-Oxadiazol-3-yl)propan-2-amine (CAS 1153757-41-5)
- 4-Cyclopropoxy-2-iodobenzamide (CAS 1243462-60-3)
- Tau Peptide (268-282) trifluoroacetate salt (CAS 330456-37-6)
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