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  4. Girard's P reagent

Girard's P reagent is a reagent used in organic chemistry. Girard's P reagent is used to react with vanillin to form a hydrazone derivative, which is then combined with an ion selective electrode (ISE) to develop a potentiometric method for the determination of vanillin. Girard's P reagent can be used in the development of ion selective electrodes and in the study of organic analysis.

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Girard's P reagent Chemical Structure

Girard's P reagent Chemical Structure

CAS No. : 1126-58-5

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Description

Girard's P reagent is a reagent used in organic chemistry. Girard's P reagent is used to react with vanillin to form a hydrazone derivative, which is then combined with an ion selective electrode (ISE) to develop a potentiometric method for the determination of vanillin. Girard's P reagent can be used in the development of ion selective electrodes and in the study of organic analysis[1].

Molecular Weight

187.63

Formula

C7H10ClN3O
CAS No.
Appearance

Solid

Color

White to off-white

SMILES

O=C(NN)C[N+]1=CC=CC=C1.[Cl-]
Shipping

Room temperature in continental US; may vary elsewhere.
Storage

4°C, stored under nitrogen, away from moisture

*In solvent : -80°C, 6 months; -20°C, 1 month (stored under nitrogen, away from moisture)

Solvent & Solubility
In Vitro: 

DMSO : 9.09 mg/mL (48.45 mM; ultrasonic and warming and heat to 60°C; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 5.3296 mL 26.6482 mL 53.2964 mL
5 mM 1.0659 mL 5.3296 mL 10.6593 mL
View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (stored under nitrogen, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

  • Molarity Calculator

  • Dilution Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass
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Concentration
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Volume
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Molecular Weight *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

×
Volume (start)

V1

=
Concentration (final)

C2

×
Volume (final)

V2

In Vivo Dissolution Calculator
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Calculation results:
Working solution concentration: mg/mL
Purity & Documentation

Purity: 97.81%

SDS (393 KB)

COA (246 KB)

Handling Instructions (2659 KB)
References

Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (stored under nitrogen, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 5.3296 mL 26.6482 mL 53.2964 mL 133.2409 mL
5 mM 1.0659 mL 5.3296 mL 10.6593 mL 26.6482 mL
10 mM 0.5330 mL 2.6648 mL 5.3296 mL 13.3241 mL
15 mM 0.3553 mL 1.7765 mL 3.5531 mL 8.8827 mL
20 mM 0.2665 mL 1.3324 mL 2.6648 mL 6.6620 mL
25 mM 0.2132 mL 1.0659 mL 2.1319 mL 5.3296 mL
30 mM 0.1777 mL 0.8883 mL 1.7765 mL 4.4414 mL
40 mM 0.1332 mL 0.6662 mL 1.3324 mL 3.3310 mL
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Girard's P reagent Related Classifications

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  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

Keywords:

Girard's P reagent1126-58-5Biochemical Assay ReagentsOrganic ChemistryISEvanillinInhibitorinhibitorinhibit

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