Heterocyclic compound is a major class of organic chemical compounds characterized by some or all of the atoms in their molecules are joined in rings containing atleast one atom of an element other than carbon.

CAS Number
59-05-2
Alternate CAS Number
133073-73-1(Hydrate Salt);NA(Disodium Tetrahydrate)
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142217-69-4
Alternate CAS Number
209216-23-9(Monohydrate Salt)
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93106-60-6
Alternate CAS Number
931066-01-2(Lactate)
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51-55-8
Alternate CAS Number
5908-99-6 (Atropine Sulfate Monohydrate)
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107814-37-9
Alternate CAS Number
1384955-66-1(HCl Salt)
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40172-95-0
Alternate CAS Number
60548-09-6(HCl)
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6269-91-6
Alternate CAS Number
126148-19-4 (Na salt)