Xiamen Ikg Chemical Co., Ltd.(expird)
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Business Type:Trading Company
CAS NO.41372-08-1
IKGCHEM is a leading manufacturer and supplier of chemical in China.As a Professional chemical raw material supplier,our products are produced in accordance with ISO 9001:2015 Quality Management System and ISO14001:2015 Environmental Management System. Some APIs are GMP certificated, meanwhile, some Fine chemicals are REACH certificated already.
L-Methyl Dopa
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Product Name |
CAS NO. |
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L-Methyldopa |
41372-08-1 |
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Lot No. |
MFG. DATE |
RETEST. DATE |
Molecular Structure |
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C01-E20200144 |
2020.01.15 |
2023.01.14 |
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Molecular Weight |
Molecular Formula |
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238.24 |
C10H13NO4.1.5(H2O) |
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Quantity |
Packing |
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500kg |
25kg/ fiber drum |
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Storage |
Keep in a cool & dry place |
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Items |
Specification |
Results |
Test Method |
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Characters |
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Appearance |
White to yellowish-white, fine powder, odorless |
Yellowish-white, fine powder, odorless |
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Solubility |
Meets the requirements |
Conforms |
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Identification |
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IR |
The sample comparing with the spectrum obtained with standard |
Conforms |
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HPLC |
The retention time of the major peak of the sample solution corresponds to that of the standard solution, as obtained in the assay. |
Conforms |
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Specific rotation |
-25°to -28° |
-26.3° |
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Acidity (0.1M NaOH) |
0.5ml/g max |
0.12ml/g |
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Related substances |
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3-methoxymethyldopa |
0.15% max |
0.02% |
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Methyldopa related compound B |
0.15% max |
Undetected |
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Methyldopa related compound C |
0.15% max |
Undetected |
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Unspecified impurities |
0.05% max |
0.04% |
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Total impurities |
0.5% max |
0.09% |
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Water |
10.0%-13.0% |
11.2% |
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Residue on ignition |
0.1% max |
0.04% |
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Residual solvents |
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Methanol |
3000ppm max |
Below LOD |
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Dichloromethane |
600ppm max |
Below LOD |
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Benzene |
2ppm max |
Below LOD |
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Toluene |
890ppm max |
Below LOD |
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Assay |
98.0%-102.0% |
99.85% |
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Conclusion: |
Meet the requirement of USP41 standard. |
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IKGCHEM is a leading manufacturer and supplier of chemical in China.As a Professional chemical raw material supplier, our main products include the Pharma Chemical,Petro Chemical, Fine Chemicals and Life Science etc.
Our products are produced in accordance with ISO 9001:2015 Quality Management System and ISO14001:2015 Environmental Management System. Some APIs are GMP certificated, meanwhile, some Fine chemicals are REACH certificated already.
IKGCHEM as a reliable partner for Chinese market, we are specialized in chemical raw materials; Consolidate sourcing, marketing, sales, distribution and after-sale services, providing our partners with sourcing evaluation, technology supports, toll/contract manufacturer, investment solution and suitable partnership establishment in China.
IKGCHEM consists a team of professional analytical department,complete QC&QA under strict SOPs, experienced sale and after-sale service, efficient logistic support, one-stop service is our great advantage, We works closely together with the pilot plant and production team to assure timely and cost-effective production of quality products, our mission is to find solutions for customers' pilot and scale demand.
IKGCHEM sale&sourcing was constructed under our close cooperation with plants in China for years. We directly or through this strong network provide a wide range of fine chemical and intermediate to the chemical industry worldwide.
Our market intelligence provides sound knowledge-service and update information to improve competition continually.
Customers and partners satisfaction is our focus point.
IKGCHEM adheres to the "Consummate Service Convincing Honor" business strategy.