Manufacturer high quality (S)-(+)-Ibuprofen dexibuprofen with best price 51146-56-6



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Manufacturer high quality (S)-(+)-Ibuprofen dexibuprofen with best price 51146-56-6
Manufacturer high quality (S)-(+)-Ibuprofen dexibuprofen with best price 51146-56-6
Manufacturer high quality (S)-(+)-Ibuprofen dexibuprofen with best price 51146-56-6
Manufacturer high quality (S)-(+)-Ibuprofen dexibuprofen with best price 51146-56-6
Manufacturer high quality (S)-(+)-Ibuprofen dexibuprofen with best price 51146-56-6
Manufacturer high quality (S)-(+)-Ibuprofen dexibuprofen with best price 51146-56-6
Manufacturer high quality (S)-(+)-Ibuprofen dexibuprofen with best price 51146-56-6

Manufacturer high quality (S)-(+)-Ibuprofen dexibuprofen with best price 51146-56-6

  • Item No.TOP
    MOQ100 Gram
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From $0.500.180.15 / Gram
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If over 500pcs, mass production will start until pre-production sample has been approved.

Est. 7 days production

Quick Details
Product name (S)-(+)-Ibuprofen
Appearance White solid
Place of Origin CN;SHN
Usage Animal Pharmaceuticals
Boiling point 285.14°C (rough estimate)
storage temp Store at RT
alpha 57 ° (c=2, EtOH)
Model Number TOP
density 1.0364 (rough estimate)
Fp >230 °F
Melting point 49-53 °C(lit.)
Refractive Index 59 ° (C=2, EtOH)
Grade Standard Medicine Grade
Type Auxiliaries and Other Medicinal Chemicals
CAS No. 51146-56-6
Other Names (S)-(+)-IBUPROFEN;dexibuprofen
EINECS No. 1308068-626-2

Packaging & Delivery

Selling Units:
Lead Time:
Quantity(Gram) 1 - 100000000 >100000000
Est. Time(days)5To be negotiated
Product Description


V2-Product Profile

Name: (S)-(+)-Ibuprofen
CAS No.: 51146-56-6
Formula: C13H18O2
Molecular Weight: 206.28
Synonyms: Benzeneaceticacid, a-methyl-4-(2-methylpropyl)-,(S)-;(+)-(S)-Ibuprofen;(+)-(S)-p-Isobutylhydratropic acid;(+)-Ibuprophen 
Density: 1.029 g/cm3
Solubility: insoluble in water
Appearance: colourless, crystalline solid


Test  Item

Analysis  Specification



White crystalline power

white crystalline power


A: IR the spectrum is concordant with the spectrum of (S)-ibuprofen RS

B: The retention time of the principal peak is concordant with that of (S)-ibuprofen RS(HPLC)

C: Show two maximum absorption at 265nm and 273nm, two minimum absorption at 245nm and 271nm and a shoulder peak at 259nm.(UV)












Melting point



Optical rotation

+55°~ +60°





Loss on drying



Residue on ignition



Heavy metals



Residual solvents

Toluene not more than 800 ppm


Related Substances

2-(4-butylphenyl)propionic acid  <0.2%

4-isobutylacetophenone        <0.2%

Total impurities             <0.7%

Any other individual impurity   <0.2%

Any unidentified impurity       <0.10%

R-ibuprofen                ≤1.5% 

       Not detected

Not detected



Not detected


Assay(Dry Basis)




Conform  to  In house Standard


 Used as an antipyretic and analgesic.


Company Information

Qingdao Sigma chemical Co., Ltd is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.
The aim of Qingdao Sigma chemical Co., Ltd is a quality policy that"Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.


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Packaging & Shipping

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Our Services


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Q1: Are you a manufacturer?
Answer: Yes, we are factory founded on 2002.
Q2: How to contact with us?
Click the Alibaba"Contact Supplier" And then send us message the product you interest in, you will get reply within 24 hours.
Q3:Which kind of payment terms do you accept?
For small order,you can pay by T/T,Western Union or Paypal,nomal order by T/T to our company account
Q4:Can you give me a discount price?
Surely,It depend on your qty
Q5:How can i get a sample?
free samples is available,but freight charges will be at your account and the charges will be return to you or deduct from your order in the future.
Q6: How to confirm the Product Quality before placing orders?
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
Q7:How do you treat quality complaint?
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.


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