| Customization: | Available |
|---|---|
| CAS No.: | 22204-53-1 |
| Formula: | C14h14o3 |
|
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Naproxen
SPecification:
|
Item |
Standard(USP31) |
|
Appearance |
White to almost white crystalline powder |
|
Infrared absorption |
The infrared absorption spectrum is concordant with the reference spectrum |
|
Ultraviolet absorption |
Absorptivities at 272nm, calculated on the dried base, do not differ by more than 3% |
|
Specific rotation |
-17.0°~ -15.3° |
|
Loss on drying |
≤1.0% |
|
Heavy metals |
≤0.002% |
|
Free Naproxen |
≤1.0% |
|
Impurity D( in house) |
≤0.10% |
|
Impurity E( in house, Impurity C in EP) |
≤0.10% |
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Any other impurity |
≤0.10% |
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Total impurities |
≤1.0% |
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Tolue ne |
≤50ppm |
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Metha nol |
≤50ppm |
|
Hthanol |
≤100ppm |
|
Assay( On the dried basis ) |
98.0%~102.0%; |
We are dealing in food additives, supplement, herbs, spices, dried vegetables and fruits,plant extracts, vitamins, amino acid, enymes,
probiotics, tablets,capsules, chemicals, pharmaceuticals and medicalproducts for more than 40year's experiences.
We are always ready to provide you with our best quality,competitive price and professional service.
Sincerely hope to do business with you!
Please feel free to contact us if any demand. we assure you that our good quality and lower price will satisfy you when you try our goods.
| 1. What is your payment terms ? | |||||
| We can accept the payment by bank , western union or moneygram | |||||
| 2. How to send the goods ? | |||||
|
If small quantity, we can send the goods by express.
If large quantity, we can send the goods by sea, or by air.
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| 3. What is your delivery time ? | |||||
| After receiving your payment, we can send the goods with in 5-10days. | |||||
| 4. What is your MOQ ? | |||||
| Usually our MOQ is one packing |
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