Daily Raw Material Medicine Carbidopa Degree 99% CAS No. 38821-49-7

• Powder: Yes
• Certification: GMP, HSE, ISO 9001, USP, BP
• Suitable for: Elderly, Children, Adult
• State: Solid
• Purity: >99%
• Purity Degree: 99%
• Model NO.: CAS No. 38821-49-7
• CAS No: 38821-49-7
• Product Name: Bis(Ethylcyclopentadienyl)Ruthenium(II)
• Molecular Formula: C10h16n2o5
• Usega: Chemical Product
• Shipping Marks: According to Customer Requirements
• Content: Standard
• Application: Chemical
• Source: Extractive
• Packing: 265kgs
• Boiling Point: 100ºC0.01 mm Hg(Lit.)
• Melting Point: 6ºC(Lit.)
• Transport Package: by Foil - Alum Bag or Paper Drum
• Specification: 250kg/drum Or 1, 250kg/IBC
• Trademark: DYC
• Origin: Hangzhou
• HS Code: 2902199090
• Production Capacity: 20t/Year

Product Description

Product Description

Items	Standard	Result
Appearance	White to creamy white powder	Creamy white powder
Solubility	Slightly soluble in water,freely soluble in 3 N hydrochloric acid;Slightly soluble in methanol;Practically insoluble in alcohol, in acetone,in chloroform,and in ether.	Complies
Identification	IR:The spectrum of sample complies with the spectrum obtained with standard.	Complies
	RT:Corresponds to peak obtained with the standard.	Corresponds
Specific rotation	-21°~ -23.5°	-21.8°
Loss on drying	6.9%-7.9%	7.2%
Residue on ignition	0.1% max	0.02%
Heavy metals	0.001% max	0.001% max
Methyldopa	0.5% max	0.3% max
Carbidopa related compound A	0.5% max	Undetected
Any other impurity	0.10% max	0.06%
Total impurities	0.10% max	0.44%
Residual solvents	Meets the requirements	Complies
Assay	98.0%-102.0%	99.8%
Conclusion	The batch complies with the USP 37 specification.

 
         

  

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Items	Standard	Result
Appearance	White to off-white powder	White powder
Assay (W/W dry basis)	≥98.0%	99.16 %
Residue on ignition	<0.5%	0.256%
Water (w/w by KF)	≤1.0%	0.420%
pH Value(1% aq.)	5~9	7.28

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