Dopamine hydrochloride NEW

$ 1.00 /1kg

Wuhan Haorong Biotechnology Co.,ltd

VIP3Y

China

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Business Bank account Basic Contact Infomation Business Address Trade Company

Chemical Properties

Test Parameter	Specification	Test Method	Acceptance Criteria	Result
1. Identification
- Infrared Spectrum	Matches reference standard	USP <197>	Conforms	Complies
- HPLC Retention Time	Consistent with standard	USP <621>	±2% RSD	99.8% Match
2. Physical Characteristics
- Appearance	White crystalline powder	Visual	Free-flowing, no lumps	Complies
- Solubility (Water)	Clear, colorless solution	USP <1231>	50 mg/mL at 20°C	Complies
3. Purity & Potency
- Assay (HPLC)	98.0–101.0%	USP <621>	98.0% min	99.5%
- Related Substances
∟ Noradrenaline	≤0.5%	HPLC	≤0.5%	0.12%
∟ Dopamine Impurity A	≤0.2%	HPLC	≤0.2%	0.05%
∟ Total Impurities	≤2.0%	HPLC	≤2.0%	0.8%
4. Residual Solvents		USP <467>
∟ Methanol	≤3000 ppm	GC	≤3000 ppm	<500 ppm
∟ Acetone	≤5000 ppm	GC	≤5000 ppm	Not Detected
5. Specific Tests
- pH (1% Solution)	3.0–5.5	USP <791>	3.0–5.5	4.2
- Water Content (KF)	≤1.0%	USP <921>	≤1.0%	0.4%
- Heavy Metals (as Pb)	≤20 ppm	USP <231>	≤20 ppm	<5 ppm
- Residue on Ignition	≤0.1%	USP <281>	≤0.1%	0.03%
6. Microbial Limits		USP <61>, <62>
- TAMC	≤1000 CFU/g	Microbial Enumeration	≤1000 CFU/g	120 CFU/g
- TYMC	≤100 CFU/g	Microbial Enumeration	≤100 CFU/g	<10 CFU/g
- Pathogens	Absent		Absent	Absent

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