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

Purity 97%+In StockPharmaceutical Standards
CAS No.905-96-4
Molecular FormulaC21H34N2O2
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

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 chemical structure

Description

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.

Physical & Chemical Properties

Molecular FormulaC21H34N2O2 I
Molecular Weight473.42 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay 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 AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Halogen ContentI-containing
Nitrogen Atoms2

Recommended Standards

Why CATO?