(S)-4-(3-Phenoxyphenyl)-1-phosphonobutane-1-sulfonic acid CAS 157126-18-6
| CAS No. | 157126-18-6 |
| Molecular Formula | C16H19O7PS |
| Molecular Weight | 386.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (S)-4-(3-Phenoxyphenyl)-1-phosphonobutane-1-sulfonic acid is closely related to a flavonoid core, a sulfone group, a phosphate ester group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
(S)-4-(3-Phenoxyphenyl)-1-phosphonobutane-1-sulfonic acid (CAS 157126-18-6), molecular formula C16H19O7PS and molecular weight 386.36 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (S)-4-(3-Phenoxyphenyl)-1-phosphonobutane-1-sulfonic acid (C16H19O7PS) contains a flavonoid core, a sulfone group, a phosphate ester group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.5, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 386.36 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), (S)-4-(3-Phenoxyphenyl)-1-phosphonobutane-1-sulfonic acid 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 | C16H19O7PS |
| Molecular Weight | 386.36 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Sulfur Atoms | 1 |
Related S Standards
- N-(4-phenoxyphenyl)-2-(4-phenylpiperazin-1-yl)acetamide (CAS 692773-82-3)
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- N-(4-phenoxyphenyl)-2-(4-(pyridin-2-yl)piperazin-1-yl)acetamide (CAS 697282-58-9)
- N-(4-phenoxyphenyl)-N-(phenylsulfonyl)glycine (CAS 884986-62-3)
- (3Z)-3-[(4-Phenoxyphenyl)imino]-1-phenyl-2,3-dihydro-1H-indol-2-one (CAS 303984-69-2)
- (2E)-2-{[(3-phenoxyphenyl)amino]methylidene}-2,3,4,9-tetrahydro-1H-carbazol-1-one (CAS 860612-40-4)
- N-(2-Phenoxyphenyl)-2,2-diphenylacetamide (CAS 325804-58-8)
- N-(4-Phenoxyphenyl)-3-trifluoromethylbenzenesulfonamide (CAS 292867-24-4)
Recommended Standards
- 151271-53-3 UK 1 (2,4'-Bibenzoxazole)-4-carboxylic acid, 2'-(2-hydroxyphenyl)-, methyl ester Methyl 2'-(2-hydroxyphenyl)-(2,4'-bibenzoxazole)-4-carboxylate UK-1 (CAS 151271-53-3)
- Fluorindine-2-sulfonic Acid Sodium Salt (Technical grade) Discontinued (CAS 1790-55-2)
- Pyrroloquinoline Impurity 2 (CAS 133706-80-6)
- (2R,3S,5R)-2-(Hydroxymethyl)-5-(6-((4-nitrobenzyl)amino)-9H-purin-9-yl)tetrahydrofuran-3-ol (CAS 56527-33-4)
- 4-((1H-1,2,4-Triazol-1-yl)methyl)-2-iodoaniline (CAS 160194-26-3)
- 2,2,2-Trifluoro-N-((2S,3S)-2-(2-methoxyphenyl)piperidin-3-yl)acetamide (CAS 1808701-88-3)
- 8A-(2,4-dimethylphenyl)tetrahydro-2H-pyrrolo[2,1-b][1,3]oxazin-6(7H)-one (CAS 20381-04-8)
- 4-Oxo-4,5,6,7-tetrahydrofuro[3,2-c]pyridine-2-carbonitrile (CAS 1708445-20-8)
- 3-Methyl-1-(5-methylthiophen-2-yl)butan-1-amine (CAS 1021053-10-0)
- 2-Cyclohexyl-3,4-dihydroisoquinolin-1(2H)-one (CAS 6772-63-0)
- Aripiprazole Impurity 84 (CAS CATO-C4X-100884)
- Lysine Impurity 37 (CAS CATO-C4X-221137)
- [4-Chloro-3-(pyrrolidin-1-yl)phenyl]boronic acid (CAS 2377605-66-6)
- Semaglutide Impurity 18 (CAS 1671100-14-3)
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