Short Description:
Theophylline
CAS Number: 58-55-9
Molecular Formula: C7H10N4O2
Standard: USP32
Package: 25kg/drum
Description:
Theophylline
CAS Number: 58-55-9
Molecular Formula: C7H10N4O2
Standard: USP32
Package: 25kg/drum
| ITEMS | LIMIT |
| ANALYSIS CONTENT | ANALYSIS STANTARD |
| CHARACTERISTICS | WHITE CRYSTALLINE PODWER |
| IDENTIFICATION | POSITIVE REACTION |
| APPEARANCE OF SOLUTION | PASS |
| MELTING POINT | 270.0-274.0 |
| ACIDITY | PASS |
| RESIDUAL SOLVENT | PASS |
| HEAVY METALS | <=20PPM |
| RELATED SUBSTANCES | <=0.5% |
| LOSS ON DRYING | <=0.5% |
| SULFATED ASH | <=0.1% |
| ASSAY | 99.0%-101.0% |
