Register of Chemical Substances
Identity records for useful compounds, arranged by accession number. Every folio contains a formula, CAS registry number, familiar and historical names, occurrence, present-day uses, and source notes.
RECORDS: 010EDITION: 0.2.0ARRANGEMENT: CHEM-001—CHEM-010
First series · Inorganic & organic materials
10 RECORDS CATALOGUED
| Accession | Designation | Formula | Classification |
|---|---|---|---|
| CHEM-001 | Potassium nitrateNitre · saltpetre | KNO₃ | Nitrate salt / oxidizer |
| CHEM-002 | Sodium carbonateSoda ash · washing soda (varies by hydrate) | Na₂CO₃ | Alkali carbonate |
| CHEM-003 | Calcium carbonateCalcite · limestone · chalk | CaCO₃ | Alkaline-earth carbonate |
| CHEM-004 | Sodium bicarbonateBaking soda · sodium hydrogen carbonate | NaHCO₃ | Bicarbonate salt |
| CHEM-005 | Citric acidCitric acid · 2-hydroxypropane-1,2,3-tricarboxylic acid | C₆H₈O₇ | Organic carboxylic acid |
| CHEM-006 | Sodium chlorideHalite · common salt | NaCl | Alkali chloride |
| CHEM-007 | Copper(II) sulfate pentahydrateBlue vitriol · bluestone | CuSO₄·5H₂O | Hydrated transition-metal sulfate |
| CHEM-008 | Iron(III) oxideHematite · red iron oxide | Fe₂O₃ | Metal oxide |
| CHEM-009 | Calcium sulfate dihydrateGypsum · selenite · satin spar | CaSO₄·2H₂O | Hydrated sulfate mineral |
| CHEM-010 | Acetic acidEthanoic acid · vinegar acid | CH₃COOH | Organic carboxylic acid |
The register describes chemistry and historical occurrence, not the purity of a particular specimen. Linked source records take precedence over brief catalog summaries.