L-Histidine HCl

• CAS No.: 645-35-2
• Formula: C6h10cln3o2
• EINECS: 191.62
• Type: Pharmaceutical Intermediates
• Appearance: Powder
• Quality: ISO
• Model NO.: 645-35-2
• Colour: White
• Transport Package: Drum
• Specification: 25KG
• Trademark: Puyer
• Origin: Nantong
• HS Code: 2922419000
• Production Capacity: 50000mt/Year

Product Description

Chemical Name: L-Histidine hydrochloride monohydrate
CAS No.: 5934-29-2
Molecular Fomula:C6H12ClN3O3

Analysis tests	Standard	Results
Appearance	White crystals or crystalline powder	Conforms
Specific rotation [α]D^25	+8.5°~+10.5°	+9.0°
Chloride(Cl)	16.7~17.1%	16.9%
Sulfate(SO4)	0.030% max	0.03% max
Ammonium(NH4)	0.030% max	0.03% max
Iron(Fe)	15ppm max	15ppm max
Heavy metals(Pb)	15ppm max	15ppm max
Arsenic(As2O3)	1ppm max	1ppm max
Loss on drying	0.20% max	0.15%
Residue on ignition	0.10% max	0.05%
Other amino acids	No Spot	Conforms
Assay	98.5~100.5%	99.3%
pH	3.5~4.5	3.5~4.5
Conclusion:This Batch Is Conforming With The Standard Of USP32