(S)-2-Amino-5-(((R)-3-((2-((4-(dihydroxyarsaneyl)phenyl)amino)-2-oxoethyl)thio)-1-((carboxymethyl)amino)-1-oxopropan-2-yl)amino)-5-oxopentanoic acid CAS 1271726-51-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1271726-51-2 |
| Molecular Formula | C18H25AsN4O9S |
| Molecular Weight | 548.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (S)-2-Amino-5-(((R)-3-((2-((4-(dihydroxyarsaneyl)phenyl)amino)-2-oxoethyl)thio)-1-((carboxymethyl)amino)-1-oxopropan-2-yl)amino)-5-oxopentanoic acid (CAS 1271726-51-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H25AsN4O9S. Molecular weight: 548.40 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C18H25AsN4O9S |
| Molecular Weight | 548.40 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) | 8.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related S Standards
- (2S)-2-Amino-5-(((2R)-1-((carboxymethyl)amino)-3-((2-((4-(hydroxyhydroarsoryl)phenyl)amino)-2-oxoethyl)thio)-1-oxopropan-2-yl)amino)-5-oxopentanoic acid (CAS 334756-34-2)
- N1-[4-[4-Amino-7-(4-oxocyclohexyl)-7H-pyrrolo[2,3-d]pyrimidin-5-yl]-2-fluorophenyl]-2,3-dichloro-1-benzenesulfonamide (CAS 364355-93-1)
- 39194-96-2 6-amino-2-(2-{2-[2-(2-amino-3-methylbutanamido)-4-carboxybutanamido]-3-hydroxypropanamido}-3-hydroxypropanamido)hexanoic acid Val-Glu-Ser-Ser-Lys (CAS 39194-96-2)
- (S)-(2-Amino-5-methoxy-4-((triisopropylsilyl)oxy)phenyl)(2-(((tert-butyldimethylsilyl)oxy)methyl)-4-methyl-2,3-dihydro-1H-pyrrol-1-yl)methanone (CAS 1430738-23-0)
- 4-Amino-1-((2R,3R,4R,5R)-5-((bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-3-fluoro-4-hydroxytetrahydrofuran-2-yl)pyrimidin-2(1H)-one (CAS 177086-37-2)
- 3-Amino-4,6-bis(4-methoxyphenyl)-N-(2-(trifluoromethyl)phenyl)thieno[2,3-b]pyridine-2-carboxamide (CAS 332155-94-9)
- 2-(7-Amino-4-Methyl-2-Oxochromen-3-yl-N-[2-[7-Chloro-5-(2-Fluorophenyl)-2-Oxo-3H-1,4-Benzodiazepin-1-Yl]Ethyl]Acetamide (CAS 134282-95-4)
- Amino-PEG12-alcohol (CAS 1345681-71-1)
Recommended Standards
- 3,5-Dichlorobenzyl 4-(4-((2-oxo-2,3-dihydrobenzo[d]oxazol-6-yl)carbamoyl)thiazol-2-yl)piperazine-1-carboxylate (CAS 1141395-04-1)
- Thymidine-5-diphosphate-L-rhamnose disodium salt (CAS 2147-59-3)
- Citicoline Impurity 18 (CAS CATO-C4X-220318)
- Desmethylloperamide (CAS 66164-07-6)
- 3-(3,4,5-Trimethoxyphenyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-6-amine (CAS 880363-74-6)
- 1-(2-Nitrophenyl)-1H-imidazole-4-carboxamide (CAS 1427011-11-7)
- 1,2-dimethoxy-1,1,2,2-tetramethyldisilane (CAS 10124-62-6)
- (2R,4S,5R)-5-((1R,2S)-1-Acetamido-2-methoxy-2-methylpentyl)-4-((Z)-prop-1-en-1-yl)pyrrolidine-2-carboxylic acid (CAS 335679-69-1)
- Torasemide Impurity 42 (CAS CATO-C4X-183642)
- (β-Asp5)-Delta-Sleep Inducing Peptide (CAS 82602-88-8)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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