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VAQORACHEMICALS

Calconcarboxylic acid, practical grade

Synonyms: Patton-Reeder indicator · Calconcarbonic acid · Patton and Reeder's indicator · Calcon 3-carboxylic acid

CAS No.3737-95-9
FormulaC21H14N2O7S
Mol. weight438.40
Catalogue No.VQ-045648
PurityPractical
HSN29270090

Calconcarboxylic acid (CAS 3737-95-9) – biological stain, Practical grade. C21H14N2O7S, MW 438.4. Buy from Vaqora Chemicals with COA and worldwide shipping.

Pack sizesPrice on quotation · bulk available
5 g
25 g
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Calconcarboxylic acid, practical grade

Vaqora Chemicals supplies Calconcarboxylic acid in Practical grade, a biological stain registered under CAS number 3737-95-9. With the molecular formula C21H14N2O7S, it has a molar mass of 438.4 g/mol. Systematically, it is named 3-hydroxy-4-[(2-hydroxy-4-sulfonaphthalen-1-yl)diazenyl]naphthalene-2-carboxylic acid. It is also known as Patton-Reeder indicator or Calconcarbonic acid.

Store sealed in a dry, well-ventilated location away from incompatible materials. Handle it with standard laboratory precautions and appropriate personal protective equipment.

It is commonly used for histology and cytology staining, microscopy, clinical laboratories and indicator for titrations. Buyers come mainly from academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

We offer Calconcarboxylic acid in 5 g and 25 g packs with a batch-specific COA, and ship to customers worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

  • Histology & cytology staining
  • Microscopy
  • Clinical laboratories
  • Indicator for titrations

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product nameCalconcarboxylic acid, practical grade
Catalogue No.VQ-045648
CAS Number3737-95-9
IUPAC name3-hydroxy-4-[(2-hydroxy-4-sulfonaphthalen-1-yl)diazenyl]naphthalene-2-carboxylic acid
Molecular formulaC21H14N2O7S
Molecular weight438.4 g/mol
Exact mass438.0522
GradePractical
HSN code29270090
InChIKeyMVQBFZXBLLMXGS-UHFFFAOYSA-N
SMILESC1=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 CID77330
Physical properties
Physical formOther
LogP (XLogP3)4.3
H-bond donors / acceptors4 / 9
TPSA165 Ų
SynonymsPatton-Reeder indicator, Calconcarbonic acid, Patton and Reeder's indicator, Calcon 3-carboxylic acid, Cal Red, 2-Hydroxy-1-(2-hydroxy-4-sulfo-1-naphthylazo)-3-naphthoic 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, 2-Naphthalenecarboxylic acid, 3-hydroxy-4-[(2-hydroxy-4-sulfo-1-naphthalenyl)azo]-, 2-Hydroxy-1-(2-hydroxy-4-sulpho-1-naphthylazo)-3-naphthoic acid

Documents

Other grades of CAS 3737-95-9

Frequently asked questions

What is the CAS number of Calconcarboxylic acid, practical grade?

The CAS Registry Number of Calconcarboxylic acid, practical grade is 3737-95-9. It is also known as Patton-Reeder indicator, Calconcarbonic acid, Patton and Reeder's indicator.

What is the molecular formula and molecular weight of Calconcarboxylic acid, practical grade?

Calconcarboxylic acid, practical grade 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, practical grade can I order?

We supply Calconcarboxylic acid, practical grade in Practical grade, in 5 g, 25 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Calconcarboxylic acid, practical grade?

Yes. Every lot of Calconcarboxylic acid, practical grade 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, practical grade be shipped internationally?

Yes. We export Calconcarboxylic acid, practical grade worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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