2-AMINOPYRIDINE-5-SULFONIC ACID
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2-AMINOPYRIDINE-5-SULFONIC ACID
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CAS No:
16250-08-1
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Formula:
C5H6N2O3S
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Chemical Name:
2-AMINOPYRIDINE-5-SULFONIC ACID
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Synonyms:
6-Amino-3-pyridinesulfonic Acid;Pyridin-2-amino-5-sulfonic Acid;Pyridine-2-amino-5-sulfonic Acid;2-Aminopyridine-5-sulphonic acid, 2-Amino-5-sulphopyridine;6-Aminopyridine-3-sulphonic acid;2-AMINOPYRIDINE-5-SULFONIC ACID;2-AMINOPYRIDINE-5-SULPHONIC ACID;6-AMINOPYRIDINE-3-SULFONIC ACID
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CAS No:
2-AMINOPYRIDINE-5-SULFONIC ACID Use and Manufacturing
(i) 2-Aminopyridine (80 g, 0.85 mol) was added portionwise over 30 min to oleum (320 g) and the resulting solution heated at 140 °C for 4 h. On cooling, the reaction was poured onto ice (200 g) and the mixture stirred in an ice/salt bath for a further 2 h. The resulting suspension was filtered, the solid washed with ice water (200 mL) and cold IMS (200 mL) and dried under suction to afford pyridine-2-amino-5-sulphonic acid as a solid (111.3 g). LRMS (Thermospray): m/z 175 (M+1)
Computed Properties
Molecular Weight:174.18
XLogP3:-0.7
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:5
Rotatable Bond Count:1
Exact Mass:174.00991323
Monoisotopic Mass:174.00991323
Topological Polar Surface Area:102
Heavy Atom Count:11
Complexity:220
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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