(3AR,5aR,8aR,8bS)-3a-(iodomethyl)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran CAS 38084-03-6
| CAS No. | 38084-03-6 |
| Molecular Formula | C12H19IO5 |
| Molecular Weight | 370.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(3AR,5aR,8aR,8bS)-3a-(iodomethyl)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran (CAS 38084-03-6), molecular formula C12H19IO5 and molecular weight 370.18 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, iodine substitution, (3AR,5aR,8aR,8bS)-3a-(iodomethyl)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 370.18 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), (3AR,5aR,8aR,8bS)-3a-(iodomethyl)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran 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 | C12H19IO5 |
| Molecular Weight | 370.18 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1967 |
| Halogen Content | I-containing |
Recommended Standards
- 4-[(4-Iodophenoxy)methyl]-1,2-dimethoxybenzene (CAS 1283383-50-5)
- (3AR,5S,5aR,8aS,8bR)-5-(iodomethyl)-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran (CAS 4026-28-2)
- tert-Butyl 3-bromo-1-(trifluoromethyl)-5,6-dihydroimidazo[1,5-a]pyrazine-7(8H)-carboxylate (CAS 2386213-91-6)
- 4'-Hydroxy Aceclofenac (CAS 229308-90-1)
- 2-(Difluoromethyl)-3,5-dihydroxypyridine-6-acetonitrile (CAS 1806891-78-0)
- 1-(2-Aminoethyl)-5-{[3-(trifluoromethyl)phenyl]methyl}-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one (CAS 1105196-89-1)
- methyl 2-(2-fluoro-4-sulfamoylphenyl)acetate (CAS 1909317-48-1)
- 1-(2-(Thiophen-2-yl)ethyl)-1h-1,2,4-triazol-3-amine (CAS 1339927-50-2)
- 6395-83-1 Hexanoic acid, 2-oxo-, methyl ester (CAS 6395-83-1)
- 2-Methyl-6-phenyl-4-thioxo-1,4-dihydropyrimidine-5-carbonitrile (CAS 13996-07-1)
- (4,5-Dibromo-1-methyl-1H-imidazol-2-yl)methanol (CAS 881997-90-6)
- N-(3-chlorobenzyl)-1-(3,4-dimethoxyphenyl)methanamine (CAS 423736-96-3)
- 78140-47-3 2,2,6,6-Tetramethyl-4-[(triphenyl-lambda~5~-phosphanylidene)amino]piperidin-1-ol DTXSID80676262 (CAS 78140-47-3)
- Tirzepatide Impurity 34 (CAS CATO-C4X-324034)
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