Isopropyl-i -D-thio-galactopyranoside

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Synonyms : IPTG
CAS Number : 367-93-1
Molecular Weight: 238.3
Appearance: White to almost white crystalline powder
Purity (HPLC)
(on dry basis): min 99%
Specific optical rotation
[a]D.20 (c=1, H2O): -31.5 A 3A
Water content (Karl Fischer): max 1%
Melting point: 110 - 114A C
Solubility: Soluble in water and methanol
pH (5% in water): 5.0 - 7.0
1,4-Dioxane: Not detected