Alcian Yellow (C.I. 12840) CAS 61968-76-1
| CAS No. | 61968-76-1 |
| Molecular Formula | C40H46N8S4 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Alcian Yellow (C.I. 12840) (CAS 61968-76-1), molecular formula C40H46N8S4Cl and molecular weight 802.55 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Alcian Yellow (C.I. 12840) (C40H46N8S4Cl) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 21.5, corresponding to approximately 21 ring(s) or double-bond equivalent(s). With a molecular weight of 802.55 g/mol, it falls into the high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 Alcian Yellow (C.I. 12840) 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 | C40H46N8S4 2*Cl |
| Molecular Weight | 802.55 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 21.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 8 |
| Sulfur Atoms | 4 |
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Why CATO?
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