CAS number： 53-86-1
Molecular formula： C19H16ClNO4
molecular weight： 357.7802
Chemical structure：
| PRODUCT NAME | INDOMETHANCIN | |
| SHELF LIFE | 4 years | |
| ITEM | SPEC. | RESULT |
| CHARACTERISTICS | WHITE OR YELLOW CRYSTALLINE POWDER | WHITE CRYSTALLINE POWDER |
| IDENTIFICATION | ||
| A:MELTING POINT | 158℃—162℃ | 160.0℃ |
| C:INFRARED ABSORPTION SPECTRUM | MEETS THE REQUIREMENTS | MEETS THE REQUIREMENTS |
| TESTS | ||
| RELATED SUBSTANCES | MEETS THE REQUIREMENTS | MEETS THE REQUIREMENTS |
| HEAVY METALS | ≤20PPM | ＜20PPM |
| LOSS ON DRYING | ≤0.5% | 0.04% |
| CONCLUSION: THE PRODUCT MEETS THE ABOVE SPECIFICATION. | ||
