VAQORACalconcarboxylic acid, GR
Synonyms: 2-Hydroxy-1-(2-hydroxy-4-sulfo-1-naphthylazo)-3-naphthoic acid · 3-Hydroxy-4-(2-hydroxy-4-sulfo-1-naphthylazo)naphthalene-2-carboxylic acid · Cal-Red · Patton-Reeder indicator
CAS No.3737-95-9
FormulaC21H14N2O7S
Mol. weight438.40
Catalogue No.VQ-000525
PurityAR
HSN29270090
Calconcarboxylic acid (CAS 3737-95-9) – biological stain, AR grade. C21H14N2O7S, MW 438.4. Get a quote from Vaqora Chemicals, COA included, shipped worldwide.
Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing
About Calconcarboxylic acid, GR
Listed under CAS 3737-95-9, Calconcarboxylic acid is a biological stain available from Vaqora Chemicals in AR grade. Formula C21H14N2O7S, molecular weight 438.4 g/mol. The IUPAC name is 3-hydroxy-4-[(2-hydroxy-4-sulfonaphthalen-1-yl)diazenyl]naphthalene-2-carboxylic acid. Common synonyms include Cal-Red and Patton-Reeder indicator.
The material typically appears as a dark green to black powder. Key physical data: a melting point of 300 °C. Keep the container tightly sealed and store it in a cool, dry area. Handle it with standard laboratory precautions and appropriate personal protective equipment.
Key uses span histology and cytology staining, microscopy, clinical laboratories and analytical determinations. Our customers for this product work in academic and industrial research, diagnostics and biotechnology and textiles and dyeing.
Vaqora Chemicals supplies Calconcarboxylic acid in 5 g, 25 g, 100 g and 250 g packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.
Typical applications
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Analytical determinations
Industries
Grade guides
Specifications & identifiers
| Product name | Calconcarboxylic acid, GR |
|---|---|
| Catalogue No. | VQ-000525 |
| CAS Number | 3737-95-9 |
| IUPAC name | 3-hydroxy-4-[(2-hydroxy-4-sulfonaphthalen-1-yl)diazenyl]naphthalene-2-carboxylic acid |
| Molecular formula | C21H14N2O7S |
| Molecular weight | 438.4 g/mol |
| Exact mass | 438.0522 |
| Grade | AR |
| HSN code | 29270090 |
| InChIKey | MVQBFZXBLLMXGS-UHFFFAOYSA-N |
| SMILES | C1=CC=C2C(=C1)C=C(C(=C2N=NC3=C(C=C(C4=CC=CC=C43)S(=O)(=O)O)O)O)C(=O)O |
| PubChem CID | 77330 |
| Physical form | Powder |
|---|---|
| Appearance | Dark green to black powder |
| Melting point | 300 °C |
| LogP (XLogP3) | 4.3 |
| H-bond donors / acceptors | 4 / 9 |
| TPSA | 165 Ų |
| Synonyms | 2-Hydroxy-1-(2-hydroxy-4-sulfo-1-naphthylazo)-3-naphthoic acid, 3-Hydroxy-4-(2-hydroxy-4-sulfo-1-naphthylazo)naphthalene-2-carboxylic acid, Cal-Red, Patton-Reeder indicator, Calconcarbonic acid, Patton and Reeder's indicator, Calcon 3-carboxylic acid, Cal Red, Calcon-carboxylic Acid, 3-Hydroxy-4-((2-hydroxy-4-sulfonaphthalen-1-yl)diazenyl)-2-naphthoic acid, 2,2'-Dihydroxy-4'-sulpho-1,1'-azonaphthalene-3-carboxylic acid, 2-Hydroxy-1-(2-hydroxy-4-sulfo-1-napthylazo)-3-naphthoic acid |
Documents
Other grades of CAS 3737-95-9
Frequently asked questions
What is the CAS number of Calconcarboxylic acid, GR?
The CAS Registry Number of Calconcarboxylic acid, GR is 3737-95-9. It is also known as 2-Hydroxy-1-(2-hydroxy-4-sulfo-1-naphthylazo)-3-naphthoic acid, 3-Hydroxy-4-(2-hydroxy-4-sulfo-1-naphthylazo)naphthalene-2-carboxylic acid, Cal-Red.
What is the molecular formula and molecular weight of Calconcarboxylic acid, GR?
Calconcarboxylic acid, GR has the molecular formula C21H14N2O7S and a molecular weight of 438.4 g/mol. Its IUPAC name is 3-hydroxy-4-[(2-hydroxy-4-sulfonaphthalen-1-yl)diazenyl]naphthalene-2-carboxylic acid.
Which grade and pack sizes of Calconcarboxylic acid, GR can I order?
We supply Calconcarboxylic acid, GR in AR grade, in 5 g, 25 g, 100 g, 250 g packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with Calconcarboxylic acid, GR?
Yes. Every lot of Calconcarboxylic acid, GR is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can Calconcarboxylic acid, GR be shipped internationally?
Yes. We export Calconcarboxylic acid, GR worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.
Enquire about Calconcarboxylic acid, GR
We reply within one business day with price, pack options, lead time and documentation.
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