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  3. Biochemical Assay Reagents
  4. X-alpha-Gal

X-alpha-Gal is a chromogenic substrate that is used to screen colonies with high activity of β-galactopyranoside.

For research use only. We do not sell to patients.

X-alpha-Gal Chemical Structure

X-alpha-Gal Chemical Structure

CAS No. : 107021-38-5

Size Price Stock Quantity
10 mg USD 50 In-stock
25 mg USD 90 In-stock
50 mg USD 138 In-stock
100 mg USD 220 In-stock
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Based on 1 publication(s) in Google Scholar

X-alpha-Gal Related Antibodies

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Description

X-alpha-Gal is a chromogenic substrate that is used to screen colonies with high activity of β-galactopyranoside[1].

Molecular Weight

408.63

Formula

C14H15BrClNO6
CAS No.
Appearance

Solid

Color

White to light yellow

SMILES

O[C@@H]1[C@@H](O)[C@@H](O)[C@H](O[C@@H]1OC2=CNC3=C2C(Cl)=C(C=C3)Br)CO
Shipping

Room temperature in continental US; may vary elsewhere.
Storage
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 6 months
-20°C 1 month
Solvent & Solubility
In Vitro: 

DMSO : 100 mg/mL (244.72 mM; Need ultrasonic; 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 2.4472 mL 12.2360 mL 24.4720 mL
5 mM 0.4894 mL 2.4472 mL 4.8944 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. 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
=
Concentration
×
Volume
×
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
Please enter the basic information of animal experiments:

Dosage

mg/kg

Animal weight
(per animal)

g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Calculation results:
Working solution concentration: mg/mL
Purity & Documentation
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. 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 2.4472 mL 12.2360 mL 24.4720 mL 61.1800 mL
5 mM 0.4894 mL 2.4472 mL 4.8944 mL 12.2360 mL
10 mM 0.2447 mL 1.2236 mL 2.4472 mL 6.1180 mL
15 mM 0.1631 mL 0.8157 mL 1.6315 mL 4.0787 mL
20 mM 0.1224 mL 0.6118 mL 1.2236 mL 3.0590 mL
25 mM 0.0979 mL 0.4894 mL 0.9789 mL 2.4472 mL
30 mM 0.0816 mL 0.4079 mL 0.8157 mL 2.0393 mL
40 mM 0.0612 mL 0.3059 mL 0.6118 mL 1.5295 mL
50 mM 0.0489 mL 0.2447 mL 0.4894 mL 1.2236 mL
60 mM 0.0408 mL 0.2039 mL 0.4079 mL 1.0197 mL
80 mM 0.0306 mL 0.1530 mL 0.3059 mL 0.7648 mL
100 mM 0.0245 mL 0.1224 mL 0.2447 mL 0.6118 mL
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X-alpha-Gal Related Classifications

Help & FAQs
  • 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:

X-alpha-Gal107021-38-5Biochemical Assay ReagentschromogenicsubstrateInhibitorinhibitorinhibit

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HY-114522
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