The Sigma-Aldrich catalog lists 6 grades and pack sizes of Isoniazid (CAS 54-85-3). Pick the code you need and request a quote for price and lead time from Klar Chem.
| CAS | 54-85-3 |
|---|---|
| Molecular formula | C6H7N3O |
| Molecular weight | 137.14 g/mol |
| IUPAC name | pyridine-4-carbohydrazide |
| Synonyms | Isonicotinic acid hydrazide · Isonicotinohydrazide · pyridine-4-carbohydrazide · Isoniazide · Rimifon · Nydrazid |
⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).
| Brand | Product / grade | Code | |
|---|---|---|---|
| Sigma | ISONIAZID | I0500000 I3377-250G I3377-50G I3377-5G PHR1932-500MG |
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| Sigma | ISONIAZID, UNITED STATES PHARMACOPEIA (U | 1349706-200MG | Request Quote |
For information only; specifications and availability are confirmed at quotation. Prices are not listed.