High Quality ISO Certificate Naproxen (USP32) CAS No. 22204-53-1

• Customization: Available
• CAS No.: 22204-53-1
• Formula: C14h14o3
• Model NO.: km-737
• EINECS: N/a
• Type: Synthesis Material Intermediates
• Appearance: Powder
• Quality: Industrial
• Colour: White or Offer White Crystalline
• Loss on Drying: 1.0% Max
• Specific Rotation: -15.3 ~-17.0
• Heavy Metals: 0.002% Max
• Free Naproxen: 1.0% Max
• Residual Solvent Acetone: 0.5% Max
• Any Single Impurity: 0.5%Max
• Total Impurities: 2.0% Max
• Transport Package: 25kg/ Fibre Drum
• Specification: Assay: 98.0%~102.0%
• Trademark: KMW
• Origin: China
• Production Capacity: 1000kg

Product Description

Product No.:km-737

Product Name:Naproxen (USP32)

Cas No.:22204-53-1

Molecular Formula:C₁₄H₁₄O₃

Appearance: White or offer white crystalline powder
Assay: 98.0%~102.0%
Identification:
   1) IR Absorption - As per reference standard
   2) UV Absorption - Do not differ by more than 3% at 272nm
Loss on drying: 1.0% max.
Specific rotation: -15.3° ~-17.0°
Heavy metals: 0.002% max.
Free naproxen: 1.0% max.
Residual Solvent Acetone: 0.5% max.
Chromatographic purity
   1)Any single impurity: 0.5%max.
   2)Total impurities: 2.0% max.
Packing: 25kg/ fibre drum
Storage:  kept at cool, shadow place
Shelf life: 3 years under proper storage

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1. Who are we?
We are based in Wuhan, Hubei province, China, start from 2011, works on research and development, production and technical services of Silicone chemicals, pharmaceutical intermediates, electronic chemicals, organic fluorine surfactant, electroplating chemicals etc.

2. How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.What can you buy from us?
Organic silicone oils, pharmaceutical intermediates, electronic chemicals, organic fluorine surfactant, electroplating chemicals ,etc.

4. Why should you buy from us not from other suppliers?
1). Powerful R & D team
2). The ability of quantized production from grams to tons;
3). Various kinds of advanced equipment in the laboratory and plant;
4) .Strict QC standard to meet the demand of customers, advanced equipment for analysis and assay;
5). Efficient and safe logistic plans for chemical products transportation;
6) . Excellent after-sale service.
7). Highest quality and good package
8 ).ISO certificate

5. what services can we provide?
Accepted Delivery Terms: EXW,FOB, CFR, CIF,CIP, DDP
Accepted Payment Currency: USD, EURO, RMB
Accepted Payment Type: T/T, Letter of Credit, Paypal, Western Union
Language Spoken: English