Shandong Huashang Chemical Co., Ltd.
Product
Palonosetron hydrochloride
  • Brand:HS
  • Model:25kg/drum
  • Purity:99%
  • Cas:135729-62-3
  • Createtime: 2026-04-14
  • Updatetime: 2026-04-15
Product Details
useage Industrial use
deliveryInfo
appearance powder
Molecular Weight 332.87
aliasen
supplyCapacity 50000MT/Month
harbor Qingdao,China
minorder 1KG
Appearance White to off-white crystalline powder

Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise specializing in the research and development, manufacturing, and sales of fine chemicals. Headquartered in Jinan, Shandong, China, we are committed to delivering high-quality products to our global partners. Currently, over 90% of our products are exported to developed markets, including North America, Europe, Japan, South Korea, and the Middle East.

Basic Information

Product Name: Palonosetron hydrochloride
Alias: Palonosetron HCl; (3aS)-2-[(S)-1-Azabicyclo[2.2.2]oct-3-yl]-2,3,3a,4,5,6-hexahydro-1-oxo-1H-benz[de]isoquinoline hydrochloride
CAS No.: 135729-62-3
Molecular Formula: C??H??ClN?O
Molecular Weight: 332.87
Classification: Antiemetic; 5-HT3 receptor antagonist; Pharmaceutical API
image

Physical & Chemical Properties

Appearance: White to off-white crystalline powder
Odor: Odorless
Melting Point: >290°C
Specific Rotation: [α]D2? -90° to -110° (c=0.4 in water)
Solubility: Freely soluble in water; soluble in propylene glycol; slightly soluble in ethanol, methanol
Stability: Heat-sensitive; store at -20°C under inert atmosphere; avoid strong light and high temperature

Specification Table

Item Specification Unit Remarks
Product Name Palonosetron hydrochloride Anti-emetic API
CAS No. 135729-62-3 Pharma grade
Appearance White to off-white crystalline powder High purity
Molecular Formula C19H25ClN2O Single isomer
Molecular Weight 332.87 g/mol
Purity ≥98.0 % HPLC
Water Content ≤0.5 % Karl Fischer

Main Uses

  1. Highly selective 5-HT3 receptor antagonist for prevention/treatment of chemotherapy-induced nausea and vomiting (CINV) (acute and delayed).
  2. Prevention of postoperative nausea and vomiting (PONV).
  3. Longer half-life (~40 h) than other 5-HT3 antagonists; fewer side effects (headache, constipation <10%).
  4. Used alone or combined with netupitant for enhanced antiemetic efficacy.