Phthalylsulfathiazole 85-73-4

BP2016, Assay: 98.5~101.5%

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Product Details

Product Information

Product name	Phthalylsulfathiazole
CAS No.	85-73-4
Molecular Formula	C17H13N3O5S2
Molecular Weight	403.439
Quality Standard	98.5% -101.5% by HPLC
Appearance	White or Yellowish white crystalline powder

COA

Test Items	Specifications	Results
Appearance	White or yellowish-white crystalline powder	White crystalline powder
Identification	The infrared absorption	Conforms
	Melting point 200~203℃
	Chemical Method 1
	Chemical Method 2
	The reaction of primary aromatic amines
Clarity of solution	Clear	Clear
Color of solution	≤ BY5	< BY5
Acidity	≤ 0.2ml	0.1ml
Related aromatie amines	≤ 0.2%	< 0.2%
Heavy metals	≤ 20ppm	< 20ppm
Loss on drying	≤ 2.0%	0.76%
Residue on ignition	≤ 0.1%	0.08%
Particle size(mesh)	90% < 50μm	90% < 50μm
Assay(dry basis)	98.5~101.5%	99.68%
Conclusion	The product complies with the specification of BP2016

Usage

China's Competitive Edge in Phthalylsulfathiazole Production

1. As a global leader in pharmaceutical manufacturing, China offers Phthalylsulfathiazole API with exceptional technical and quality advantages. Chinese GMP-certified manufacturers leverage mature supply chains and advanced synthesis technologies to produce BP grade Phthalylsulfathiazole (CAS 85-73-4), ensuring over 99.5% purity for intestinal antibiotics and other applications. Rigorous QC protocols, including COA and SDS/MSDS compliance, guarantee traceability and safety.