Also known as: Zemplar (brand); 19-nor-1,25-dihydroxyvitamin D2; 19-nor-vitamin D2
Paricalcitol is a synthetic vitamin D analog used in the prevention and treatment of secondary hyperparathyroidism associated with chronic kidney disease (CKD). It selectively activates the vitamin D receptor (VDR) in the parathyroid glands and reduces PTH levels. Mediocon Inc manufactures this API at its GMP-certified facility in Aurangabad, Maharashtra, India.
| Parameter | Specification |
|---|---|
| CAS Number | 137000-91-6 |
| Molecular Formula | C27H40O3 |
| Molecular Weight | 412.61 g/mol |
| Grade | IP / BP / USP |
| Category | Vitamin D Analog / Secondary Hyperparathyroidism Treatment |
| Appearance | White to off-white, crystalline powder |
| Solubility | Practically insoluble in water, freely soluble in ethanol and in methanol |
| Assay | NLT 98.0% |
| Loss on Drying | NMT 0.5% |
| Heavy Metals | NMT 20 ppm |
| Residue on Ignition | NMT 0.1% |
| Microbial Limits | Complies with pharmacopoeia |
| Identification | IR, HPLC Compliant |
| Batch No | PCI/24032026 |
| Mfg Date | MAR 2026 |
| Exp Date | FEB 2031 |
| Packing | 25 kg HDPE drums / as per requirement |
Mediocon Inc is a GMP-certified API manufacturer and bulk pharmaceutical ingredient supplier based in Aurangabad, Maharashtra, India. We specialise in supplying Paricalcitol — CAS 137000-91-6 (CAS 137000-91-6) and over 1,000 other Active Pharmaceutical Ingredients, excipients, herbal extracts, and nutraceutical ingredients to pharmaceutical manufacturers worldwide.
Our Paricalcitol — CAS 137000-91-6 is manufactured under strict quality management protocols compliant with WHO-GMP, ISO 9001:2015, and major pharmacopoeial standards (IP, BP, USP, EP). Every batch undergoes full analytical testing — identity (IR/HPLC), assay, related substances, residual solvents (ICH Q3C), heavy metals, and microbial limits — before release with a Certificate of Analysis.
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