Rifamycin S Rifamycin Sodium Salt 14897-39-3

• CAS No.: 14897-39-3
• Formula: C37h46nnao12
• EINECS: 238-965-7
• Type: Synthesis Material Intermediates
• Appearance: Crystalline Fine Powder
• Quality: Industrial
• Model NO.: Km-536
• Colour: Red
• Transport Package: 25kg/Fibre Drum
• Specification: Assay: 900 I. U. mg Min.
• Trademark: KMW
• Origin: China
• Production Capacity: 10mt/Month

Product Description

Product No.:Km-536

Product Name:Rifamycin sodium salt ( EP5 )

Cas No.:14897-39-3

Molecular Formula:C₃₇H₄₆NaNO₁₂

Molecular Weight:719.75

Appearance: Red crystalline fine powder
Assay: 900 I.U.mg Min.

Identification:
1) Maximum absorption is at the wavelength of 223nm, 314nm, 445 nm.   
    Absorption degree ratio at 314nm and 445nm is 1.55~1.80
2) IR absorption spectrum complies with one of standard sample
3) It appears flame reaction of sodium salt   
PH: 6.5-8.0
Absorption coefficient: 190-210
Rifamycin B: 0.5% max.
Rifamycin S: 2.0% max.
Other related substance: 2.0% max.
Heavy metal: 10ppm max.
Moisture: 12.0-17.0%
Bacterial endotoxins: 0.50 I.U./mg max.
Abnormal toxicity test (ATT): Complies

Package: 25kg/fibre drum