5,6-Dihydro-4H-pyrrolo[3,4-d]thiazole CAS 721926-87-0
| CAS No. | 721926-87-0 |
| Molecular Formula | C5H6N2S |
| Molecular Weight | 126.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5,6-Dihydro-4H-pyrrolo[3,4-d]thiazole 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.
5,6-Dihydro-4H-pyrrolo[3,4-d]thiazole (CAS 721926-87-0), molecular formula C5H6N2S and molecular weight 126.18 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrile group, sulfur-containing functionality, 5,6-Dihydro-4H-pyrrolo[3,4-d]thiazole is typically off-white to pale yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 126.18 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H6N2S |
| Molecular Weight | 126.18 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Dihydro Standards
- 5,6-Dihydro-4H-pyrrolo[3,2-d]thiazole (CAS 1367960-75-5)
- 4,6-Dihydro-1H-thieno[3,4-c]pyrazole (CAS 145286-40-4)
- 1-Butyl-2,5-dihydro-1H-imidazole (CAS 219296-31-8)
- 2,3-dihydro-1H-pyrrolo[3,2-c]pyridine (CAS 23596-28-3)
- 3-(2,5-Dihydro-1h-pyrrol-1-yl)propan-1-amine (CAS 37632-58-9)
- 4,5-dihydro-1H-cyclopenta[c]pyrazol-6-one (CAS 1087267-59-1)
- Dihydro-3-(2-propen-1-yl)-2(3H)-furanone (CAS 10491-63-1)
- 1-(3,4-Dihydro-2H-pyran-2-yl)ethanone (CAS 3749-34-6)
Recommended Standards
- 4-methylpyrimidine-2-thiol,HCl (CAS 35071-17-1)
- 5-Aminopyridine-2(1H)-thione (CAS 27885-56-9)
- 4-Aminopyridine-3-thiol (CAS 52334-54-0)
- 5-Aminopyridine-2-thiol (CAS 760117-50-8)
- (S)-2-Amino-3-benzyloxy-1-propanol (HCl Salt) (CAS 61366-43-6)
- 2-Pentynaldiethylacetal (CAS 18229-77-1)
- 1-(2,4-Dichlorobenzyl)-N-((4-methoxyphenyl)sulfonyl)-2-oxo-1,2-dihydropyridine-3-carboxamide (CAS 860787-54-8)
- Triptorelin Impurity 3 (CAS CATO-C4X-18623)
- 2-(8-Bromonaphthalen-2-yl)acetonitrile (CAS 127810-64-4)
- Propranolol Impurity 48 (CAS CATO-C4X-151948)
- Naphtho[2,3-d][1,3]dioxole-2-carboxylic acid (CAS 200712-25-0)
- 4-(Difluoromethyl)-6-fluoro-5-hydroxypicolinoyl chloride (CAS 1805191-65-4)
- 1-[5-(Aminomethyl)-2-pyridinyl]-4-piperidinol (CAS 953751-96-7)
- Gastric Inhibitory Polypeptide (3-42) (human) trifluoroacetate salt (CAS 1802086-25-4)
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