Verapamil is an L-type calcium channel blocker of the Phenylalkylamineclass. It has been used in the treatment of hypertension, angina pectoris,cardiac arrhythmia, and most recently, cluster headaches. It is also an effective preventive medication for migraine. Verapamil has also been used as a vasodilator during cryopreservation of blood vessels. It is a class 4 antiarrhythmic, more effective than digoxin in controlling ventricular rate.
Specification:
Items |
Standard |
Character |
White or almost white crystalline powder |
Identification: |
Positive |
Residue on ignition |
≤0.5% |
Heavy metals |
NMT 20ppm |
Arsenic |
NMT 5ppm |
Sulphated ash |
NMT 0.1% |
Loss on drying |
NMT 0.5% |
Total impurities |
NMT 1.5% |
Assay(HPLC) |
97%-103% |
Packaging details:
Packaging details: |
25kg/drum with double plastic bags inside; packed in a cardboard drum or fiber HDPE drum. |
Storage: |
Stored in a clean, cool, dry area; keep away from moisture and strong, direct light/heat |
Shelf Life: |
5 years if sealed and store away from direct sun light. |