Sulforhodamine 101 acid chloride Texas Red 9-[4-(Chlorosulfonyl)-2-sulfophenyl]-2,3,6,7,12,13,16,17-octahydro-1H,5H,11H,15H-xantheno[2,3,4-ij:5,6,7-i'j']diquinolizin-18-ium, inner salt 82354-19-6 CAS 82354-19-6

Purity 97%+In StockPharmaceutical Standards
CAS No.82354-19-6
Molecular FormulaC31H41ClN2O6S2
Molecular Weight637.25 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Sulforhodamine 101 acid chloride Texas Red 9-[4-(Chlorosulfonyl)-2-sulfophenyl]-2,3,6,7,12,13,16,17-octahydro-1H,5H,11H,15H-xantheno[2,3,4-ij:5,6,7-i'j']diquinolizin-18-ium, inner salt 82354-19-6 CAS 82354-19-6 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.

Sulforhodamine 101 acid chloride Texas Red 9-[4-(Chlorosulfonyl)-2-sulfophenyl]-2,3,6,7,12,13,16,17-octahydro-1H,5H,11H,15H-xantheno[2,3,4-ij:5,6,7-i'j']diquinolizin-18-ium, inner salt 82354-19-6 (CAS 82354-19-6) is a high-purity analytical reference standard with the molecular formula C31H41ClN2O6S2 and a molecular weight of 637.25 g/mol.

Structurally, Sulforhodamine 101 acid chloride Texas Red 9-[4-(Chlorosulfonyl)-2-sulfophenyl]-2,3,6,7,12,13,16,17-octahydro-1H,5H,11H,15H-xantheno[2,3,4-ij:5,6,7-i'j']diquinolizin-18-ium, inner salt 82354-19-6 (C31H41ClN2O6S2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 637.25 g/mol, it falls into the high-molecular-weight range. 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), Sulforhodamine 101 acid chloride Texas Red 9-[4-(Chlorosulfonyl)-2-sulfophenyl]-2,3,6,7,12,13,16,17-octahydro-1H,5H,11H,15H-xantheno[2,3,4-ij:5,6,7-i'j']diquinolizin-18-ium, inner salt 82354-19-6 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 FormulaC31H41ClN2O6S2
Molecular Weight637.25 g/mol
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)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1980
Halogen ContentCl-containing
Nitrogen Atoms2
Sulfur Atoms2

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