2-Chlorobenzo[d]thiazol-4-amine CAS 855283-00-0
| CAS No. | 855283-00-0 |
| Molecular Formula | C7H5ClN2S |
| Molecular Weight | 184.65 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.
2-Chlorobenzo[d]thiazol-4-amine (CAS 855283-00-0) is a high-purity analytical reference standard with the molecular formula C7H5ClN2S and a molecular weight of 184.65 g/mol.
Structurally, 2-Chlorobenzo[d]thiazol-4-amine (C7H5ClN2S) contains a nitrile group, sulfur-containing functionality, chlorine substitution, an aromatic ring system. 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 184.65 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C7H5ClN2S |
| Molecular Weight | 184.65 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chlorobenzo Standards
- 7-Chlorobenzo[d]thiazol-5-amine (CAS 196205-26-2)
- 2-Chlorobenzo[d]thiazol-6-amine (CAS 2406-90-8)
- 4-Chlorobenzo[d]isothiazol-3-amine (CAS 25380-80-7)
- 4-Chlorobenzo[d]isothiazol-7-amine (CAS 35271-94-4)
- 4-Chlorobenzo[d]thiazol-5-amine (CAS 70202-01-6)
- 4-Chlorobenzo[d]thiazol-7-amine (CAS 70202-02-7)
- 5-Chlorobenzo[c]isothiazol-3-amine (CAS 51357-79-0)
- 5-Chlorobenzo[d]isothiazol-3-amine (CAS 69504-56-9)
Recommended Standards
- 2-Chloro-6-methylthiazolo[4,5-b]pyridine (CAS 960535-45-9)
- 2-Chloro-5-methylthieno[2,3-d]pyrimidine (CAS 83259-31-8)
- 2-Chlorothieno[3,2-b]pyridin-3-amine (CAS 26579-61-3)
- 2-Chloro-4-thiocyanatoaniline (CAS 3226-47-9)
- 2-Cyano Loratadine (CAS 860010-31-7)
- Buflomedil Hydrochloride - Impurity B (FreeBase) (CAS 79967-07-0)
- 4-methoxy-3-(pyrrolidine-1-sulfonyl)aniline (CAS 951911-18-5)
- 1,1′-Bis[(2<I>R</I>,5<I>R</I>)-2,5-diethylphosphinealkyl]ferrocene (CAS 147762-89-8)
- (3R,4S)-4-(3-fluoro-4-methoxyphenyl)-2-oxopyrrolidine-3-carboxylic acid (CAS 1784747-74-5)
- Methyl 5-bromo-3-fluoro-2-methylbenzoate (CAS 1805501-44-3)
- N-(3-methoxyphenethyl)aniline (CAS 51009-27-9)
- 1-Boc-4-(2-bromoacetyl)piperidine (CAS 301221-79-4)
- 5-Amino-2-(piperidin-1-yl)benzonitrile (CAS 34595-33-0)
- Tirzepatide Impurity 22 X TFA Salt (CAS CATO-C4X-324022)
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