| CAS No. | 905-96-4 |
| Molecular Formula | C21H34N2O2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 905-96-4 3-Ethyl-2-(3-(3-ethyl-3H-benzoxazol-2-ylidene)prop-1-enyl)benzoxazolium iodide Benzoxazolium, 3-ethyl-2-(3-(3-ethyl-2(3H)-benzoxazolylidene)-1-propen-1-yl)-, iodide (1:1) Benzoxazolium, 3-ethyl-2-(3-(3-ethyl-2(3H)-benzoxazolylidene)-1-propenyl)-, iodide G 1745 3,3'-Diethyloxacarbocyanine iodide 3,3'-Diethyl-2,2'-oxacarbocyanine iodide 3,3'-Diethyl-2,2'-oxadicarbocyanine iodide EINECS 212-996-6 NSC 96929.
905-96-4 3-Ethyl-2-(3-(3-ethyl-3H-benzoxazol-2-ylidene)prop-1-enyl)benzoxazolium iodide Benzoxazolium, 3-ethyl-2-(3-(3-ethyl-2(3H)-benzoxazolylidene)-1-propen-1-yl)-, iodide (1:1) Benzoxazolium, 3-ethyl-2-(3-(3-ethyl-2(3H)-benzoxazolylidene)-1-propenyl)-, iodide G 1745 3,3'-Diethyloxacarbocyanine iodide 3,3'-Diethyl-2,2'-oxacarbocyanine iodide 3,3'-Diethyl-2,2'-oxadicarbocyanine iodide EINECS 212-996-6 NSC 96929 (CAS 905-96-4), molecular formula C21H34N2O2I and molecular weight 473.42 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, iodine substitution, 905-96-4 3-Ethyl-2-(3-(3-ethyl-3H-benzoxazol-2-ylidene)prop-1-enyl)benzoxazolium iodide Benzoxazolium, 3-ethyl-2-(3-(3-ethyl-2(3H)-benzoxazolylidene)-1-propen-1-yl)-, iodide (1:1) Benzoxazolium, 3-ethyl-2-(3-(3-ethyl-2(3H)-benzoxazolylidene)-1-propenyl)-, iodide G 1745 3,3'-Diethyloxacarbocyanine iodide 3,3'-Diethyl-2,2'-oxacarbocyanine iodide 3,3'-Diethyl-2,2'-oxadicarbocyanine iodide EINECS 212-996-6 NSC 96929 is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 473.42 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).
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), 905-96-4 3-Ethyl-2-(3-(3-ethyl-3H-benzoxazol-2-ylidene)prop-1-enyl)benzoxazolium iodide Benzoxazolium, 3-ethyl-2-(3-(3-ethyl-2(3H)-benzoxazolylidene)-1-propen-1-yl)-, iodide (1:1) Benzoxazolium, 3-ethyl-2-(3-(3-ethyl-2(3H)-benzoxazolylidene)-1-propenyl)-, iodide G 1745 3,3'-Diethyloxacarbocyanine iodide 3,3'-Diethyl-2,2'-oxacarbocyanine iodide 3,3'-Diethyl-2,2'-oxadicarbocyanine iodide EINECS 212-996-6 NSC 96929 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.
| Molecular Formula | C21H34N2O2 I |
| Molecular Weight | 473.42 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | I-containing |
| Nitrogen Atoms | 2 |