Rhodamine 640 perchlorate CAS 72102-91-1
| CAS No. | 72102-91-1 |
| Molecular Formula | C32H31N2O3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C32H31N2O3ClO4, Rhodamine 640 perchlorate contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 591.06 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Rhodamine 640 perchlorate (CAS 72102-91-1), molecular formula C32H31N2O3ClO4 and molecular weight 591.06 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures Rhodamine 640 perchlorate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C32H31N2O3 ClO4 |
| Molecular Weight | 591.06 g/mol |
| Appearance | Pale yellow to 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Rhodamine Standards
- Rhodamine 800 (CAS 101027-54-7)
- Rhodamine 101 internal salt (CAS 116450-56-7)
- Rhodamine 6G Bis(aminoethyl)amine Amide Bis (Trifluoroacetate) (CAS 1173097-37-4)
- Rhodamine 6G Perchlorate (CAS 13161-28-9)
- Rhodamine 110 (CAS 13558-31-1)
- Rhodamine 800 (CAS 137993-41-0)
- Rhodamine B octadecyl ester perchlorate, 98% (CAS 142179-00-8)
- Rhodamine B isothiocyanate mixed isomers (CAS 14696-19-6)
Recommended Standards
- 2-(6-Chloroimidazo[1,2-a]pyridin-2-yl)ethanamine (CAS 1019111-32-0)
- (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-(3-hydroxyphenyl)acetic acid (CAS 615553-60-1)
- 2-(2-Oxo-1,3-oxazolidin-3-yl)propanoic acid (CAS 1094759-71-3)
- 1-(2-Fluoro-4-hydroxyphenyl)propan-2-one (CAS 1017060-31-9)
- Gamma-Hexanolactone (CAS 695-06-7)
- Lithium (4-(1,3-dioxolan-2-yl)pyridin-2-yl)trihydroxyborate (CAS 1393822-98-4)
- 2-(Prop-2-yn-1-yl)benzonitrile (CAS 175288-93-4)
- 1-(2-Bromo-1,1-difluoroethyl)-4-(trifluoromethyl)-benzene (CAS 1254038-52-2)
- Ethyl 6-ethylpicolinate (CAS 41337-78-4)
- Tau Peptide (273-284) trifluoroacetate salt (CAS 1663490-91-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com