WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 527038

CAS#: 107021-38-5

Description: X-alpha-Gal is a substrate for alpha-galactosidase, differentiating alpha-galactosidase-positive strains of yeast.

Chemical Structure

CAS# 107021-38-5

Theoretical Analysis

MedKoo Cat#: 527038
Name: X-alpha-Gal
CAS#: 107021-38-5
Chemical Formula: C14H15BrClNO6
Exact Mass: 406.98
Molecular Weight: 408.629
Elemental Analysis: C, 41.15; H, 3.70; Br, 19.55; Cl, 8.68; N, 3.43; O, 23.49

Price and Availability

Size Price Availability Quantity
25mg USD 250 2 Weeks
100mg USD 650 2 Weeks
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Synonym: X-alpha-Gal

IUPAC/Chemical Name: 5-Bromo-4-chloro-3-indolyl alpha-D-galactopyranoside


InChi Code: InChI=1S/C14H15BrClNO6/c15-5-1-2-6-9(10(5)16)7(3-17-6)22-14-13(21)12(20)11(19)8(4-18)23-14/h1-3,8,11-14,17-21H,4H2/t8-,11+,12+,13-,14+/m1/s1

SMILES Code: O[C@H]([C@H]([C@H]([C@@H](CO)O1)O)O)[C@H]1OC2=CNC3=C2C(Cl)=C(Br)C=C3

Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO

Shelf Life: >2 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

More Info:

Biological target:
In vitro activity:
In vivo activity:

Preparing Stock Solutions

The following data is based on the product molecular weight 408.63 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL
Formulation protocol:
In vitro protocol:
In vivo protocol:

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