| CAS No. | 7778-18-9 |
| Molecular Formula | O4S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
E934B3V59H 7778-18-9 Calcium sulfate anhydrous Calcarea sulphurica 30C UNII-E934B3V59H Calcium sulfate, anhydrous Calcium sulphate, natural Sulfuric acid, calcium salt (1:1) AI3-02330 Anhydrous calcium sulfate Anhydrous gypsum Anhydrous sulfate of lime Calcium sulfate Calcium sulfate (1:1) EINECS 231-900-3 EPA Pesticide Chemical Code 005602 GIBS Gypsum HSDB 902 Karstenite Muriacite Natural anhydrite NSC 529649 Satin White Surfuric acid calcium(2+) salt (1:1) Terra alba Thiolite Calcium sulfate (CaSO4) Caswell No. 152 CCRIS 3666 Crysalba Drierite A 30 Basic calcium sulfate CAS 20 Franklin Fiber H 45 Osteoset Oparex 10 SSS-A Anhydrite Pigment white 25 Plaster of Paris Sulfuric acid, calcium salt Plaster of Paris, anhydrite Calcium sulfate [NF] Calcium sulfuricum EC 231-900-3 (CAS 7778-18-9) is a high-purity analytical reference standard with the molecular formula O4SCa and a molecular weight of 136.13 g/mol.
Owing to a sulfone group, E934B3V59H 7778-18-9 Calcium sulfate anhydrous Calcarea sulphurica 30C UNII-E934B3V59H Calcium sulfate, anhydrous Calcium sulphate, natural Sulfuric acid, calcium salt (1:1) AI3-02330 Anhydrous calcium sulfate Anhydrous gypsum Anhydrous sulfate of lime Calcium sulfate Calcium sulfate (1:1) EINECS 231-900-3 EPA Pesticide Chemical Code 005602 GIBS Gypsum HSDB 902 Karstenite Muriacite Natural anhydrite NSC 529649 Satin White Surfuric acid calcium(2+) salt (1:1) Terra alba Thiolite Calcium sulfate (CaSO4) Caswell No. 152 CCRIS 3666 Crysalba Drierite A 30 Basic calcium sulfate CAS 20 Franklin Fiber H 45 Osteoset Oparex 10 SSS-A Anhydrite Pigment white 25 Plaster of Paris Sulfuric acid, calcium salt Plaster of Paris, anhydrite Calcium sulfate [NF] Calcium sulfuricum EC 231-900-3 is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 136.13 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
As a certified reference material (CRM), E934B3V59H 7778-18-9 Calcium sulfate anhydrous Calcarea sulphurica 30C UNII-E934B3V59H Calcium sulfate, anhydrous Calcium sulphate, natural Sulfuric acid, calcium salt (1:1) AI3-02330 Anhydrous calcium sulfate Anhydrous gypsum Anhydrous sulfate of lime Calcium sulfate Calcium sulfate (1:1) EINECS 231-900-3 EPA Pesticide Chemical Code 005602 GIBS Gypsum HSDB 902 Karstenite Muriacite Natural anhydrite NSC 529649 Satin White Surfuric acid calcium(2+) salt (1:1) Terra alba Thiolite Calcium sulfate (CaSO4) Caswell No. 152 CCRIS 3666 Crysalba Drierite A 30 Basic calcium sulfate CAS 20 Franklin Fiber H 45 Osteoset Oparex 10 SSS-A Anhydrite Pigment white 25 Plaster of Paris Sulfuric acid, calcium salt Plaster of Paris, anhydrite Calcium sulfate [NF] Calcium sulfuricum EC 231-900-3 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
| Molecular Formula | O4S Ca |
| Molecular Weight | 136.13 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Freely soluble in water |
| Stability | Hygroscopic; reseal immediately after opening |
| CAS Registry Year (est.) | 1959 |
| Sulfur Atoms | 1 |