4-((4-Hydroxybutanoyl)oxy) Butanoic Acid Sodium Salt

At Auxiliary Biosciences, along with our developed lead compounds:

• 4,4'-(terephthaloylbis(oxy))dibutyric acid
• 4-((4-hydroxybutanoyl)oxy)butanoic acid
• 4-((4-Hydroxybutanoyl)oxy)butanoic Acid Sodium Salt
• 4-((4-hydroxybutanoyl)oxy)butanoate, sodium salt (1:1)

we also provide related impurities and process-associated compounds with CAS numbers where publicly available.

Related Impurities with CAS Numbers

For 4,4'-(terephthaloylbis(oxy))dibutyric acid

1. Terephthalic acid – CAS: 100-21-0
2. Terephthaloyl chloride – CAS: 100-20-9
3. 4-Hydroxybutyric acid (GHB) – CAS: 591-81-1
4. γ-Butyrolactone (GBL) – CAS: 96-48-0
5. Succinic acid – CAS: 110-15-6
6. Bis(4-hydroxybutyl) terephthalate – CAS: 20592-53-4

For 4-((4-hydroxybutanoyl)oxy)butanoic acid & Sodium Salt

1. 4-Hydroxybutanoic acid – CAS: 591-81-1
2. Butyric acid – CAS: 107-92-6
3. Succinic acid – CAS: 110-15-6
4. γ-Butyrolactone – CAS: 96-48-0
5. Sodium hydroxide – CAS: 1310-73-2
6. Sodium carbonate – CAS: 497-19-8
7. Disodium succinate – CAS: 150-90-3