6-(5-Chlorothiophen-2-yl)pyridazin-3-ol CAS 75792-70-0
| CAS No. | 75792-70-0 |
| Molecular Formula | C8H5ClN2OS |
| Molecular Weight | 212.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
6-(5-Chlorothiophen-2-yl)pyridazin-3-ol (CAS 75792-70-0) is a high-purity analytical reference standard with the molecular formula C8H5ClN2OS and a molecular weight of 212.66 g/mol.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution, 6-(5-Chlorothiophen-2-yl)pyridazin-3-ol is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 212.66 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 6-(5-Chlorothiophen-2-yl)pyridazin-3-ol 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 | C8H5ClN2OS |
| Molecular Weight | 212.66 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chlorothiophen Standards
- 2-(5-Chlorothiophen-2-yl)pyrimidin-4(3H)-one (CAS 1156236-07-5)
- n-(5-Chlorothiophen-2-yl)methanesulfonamide (CAS 1179660-71-9)
- 2-(5-chlorothiophen-2-yl)pyrimidin-5-amine (CAS 1152562-33-8)
- 6-(5-Chlorothiophen-2-yl)pyridazin-3-amine (CAS 1225953-04-7)
- 4-(3-Chlorothiophen-2-yl)pyrimidin-2-amine (CAS 855308-67-7)
- 4-(5-Chlorothiophen-2-yl)pyrimidin-2(1H)-imine (CAS 855308-65-5)
- 1-[(5-chlorothiophen-2-yl)methyl]-1h-pyrazol-5-amine (CAS 1152588-32-3)
- 1-((5-Chlorothiophen-2-yl)methyl)-1h-pyrazol-4-amine (CAS 1152867-67-8)
Recommended Standards
- 5-Chloro-1,3-benzoxazole-2-carbothioamide (CAS 33653-00-8)
- 6-Chloro-2-thioxo-2,3-dihydroquinazolin-4(1H)-one (CAS 33017-85-5)
- 5-(4-Chlorophenyl)-1,3,4-thiadiazol-2(3H)-one (CAS 84352-95-4)
- 7-Chlorothieno[3,2-b]pyridine-2-carboxamide (CAS 380235-45-0)
- (3-((tert-Butyldimethylsilyl)thio)phenyl)boronic acid (CAS 352530-20-2)
- 1-Fluoro-4-(phenylsulfonyl)benzene (CAS 312-31-2)
- 1-Heptyl-1,4-diazepane (CAS 118157-07-6)
- 1-(4-Methylbenzyl)-1h-imidazol-2-amine (CAS 1183576-61-5)
- 2-(Isopropylamino)oxazole-4-carbonitrile (CAS 122686-29-7)
- (E)-2-(Buta-1,3-dien-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 143825-96-1)
- NH2-PEG5-C6-Cl (hydrochloride) (CAS 2241669-16-7)
- 6,7 Dehydro Norethindrone Acetate (CAS 106765-04-2)
- 5-Methylfuro[3,2-c]quinolin-4(5H)-one (CAS 67735-57-3)
- Endo-Pro36-Tirzepatide (CAS CATO-CPTD788688)
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