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Stains, Fluorescent Dyes & Histology Reagents

Patton & reader's reagent, GR

ARAvailable on request

Buy Patton & reader's reagent, GR (CAS 3737-95-9) from Zemixal: C21H14N2O7S, COA and SDS with every lot, worldwide shipping.

Pack sizes
Patton & reader's reagent, GR chemical structure
CAS number3737-95-9
FormulaC21H14N2O7S
Molar mass438.4 g/mol
Physical formPowder
HS code29270090
InChIKeyMVQBFZXBLLMXGS-UHFFFAOYSA-N
IUPAC name3-hydroxy-4-[(2-hydroxy-4-sulfonaphthalen-1-yl)diazenyl]naphthalene-2-carboxylic acid

About Patton & reader's reagent, GR

Patton & reader's reagent, GR is part of the Zemixal stains, Fluorescent Dyes & Histology Reagents range. Key data (AR): CAS 3737-95-9, formula C21H14N2O7S and molar mass 438.4 g/mol. Expect dark green to black powder.

Common uses in the lab and plant

  • Histology & cytology staining
  • Microscopy
  • Clinical laboratories
  • Analytical determinations

Storage and safety notes

Literature values: melting point 300 °C. Handle with the usual laboratory precautions and consult the SDS supplied with each lot.

Order it in 5 g, 25 g, 100 g, 250 g and 1 kg packs or ask for a bulk quotation. You receive a batch certificate of analysis and a 16-section SDS with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Typical uses

  • Histology & cytology staining
  • Microscopy
  • Clinical laboratories
  • Analytical determinations

Applications

Grade guides

Specifications and identifiers

Specifications of Patton & reader's reagent, GR
Product namePatton & reader's reagent, GR
Catalogue numberZX-000680
CAS number3737-95-9
IUPAC name3-hydroxy-4-[(2-hydroxy-4-sulfonaphthalen-1-yl)diazenyl]naphthalene-2-carboxylic acid
Molecular formulaC21H14N2O7S
Molar mass438.4 g/mol
Exact mass438.0522
GradeAR
Physical formPowder
AppearanceDark green to black powder
Melting point300 °C
XLogP34.3
H-bond donors / acceptors4 / 9
Topological polar surface area165 Ų
HS 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
SynonymsCalconcarboxylic acid, Patton-Reeder indicator, Calconcarbonic acid, Patton and Reeder's indicator, Calcon 3-carboxylic acid, Cal Red, Calcon-carboxylic Acid, 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]-

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Patton & reader's reagent, GR
5 gQuoted on request
25 gQuoted on request
100 gQuoted on request
250 gQuoted on request
1 kgQuoted on request
4 x 25 kgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Patton & reader's reagent, GR

Which CAS number identifies Patton & reader's reagent, GR?
Patton & reader's reagent, GR is registered under CAS 3737-95-9. You may also see it listed as Calconcarboxylic acid, Patton-Reeder indicator, Calconcarbonic acid. Our catalogue number for this item is ZX-000680.
What are the formula and molar mass of Patton & reader's reagent, GR?
For Patton & reader's reagent, GR, its formula is C21H14N2O7S and its molar mass is 438.4 g/mol. The systematic (IUPAC) name is 3-hydroxy-4-[(2-hydroxy-4-sulfonaphthalen-1-yl)diazenyl]naphthalene-2-carboxylic acid. InChIKey MVQBFZXBLLMXGS-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Patton & reader's reagent, GR?
This listing is AR grade. Standard packs are 5 g, 25 g, 100 g, 250 g, 1 kg, 4 x 25 kg. Larger quantities and custom packing can be quoted on request.
Which documents come with Patton & reader's reagent, GR?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Patton & reader's reagent, GR to my country?
Yes. Patton & reader's reagent, GR ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

Other grades with CAS 3737-95-9

Patent blue V
CAS
3536-49-0
Formula
C54H62CaN4O14S4
MW
1159.4 g/mol
ZX-000679

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