Name
Pimaricin
Synonyms
Natamycin
Molecular Structure
Molecular Formula
C33H47NO13
Molecular Weight
665.73
CAS Registry Number
7681-93-8
EINECS
231-683-5
Product name
Natamycin USP
CAS No
Appearance
White to creamy-yellow crystalline powder
Identification
Complying with USP
Crystallinity
Meet the requirement
Specific rotation
+250°~ +295°
Loss on drying
8.0%max
PH
5.0-7.5
Ashes
0.5% max
Heavy metals
10ppm max
Lead
2ppm max
Arsenic
3ppm max
Mercury
1ppm max
Total plate count
100cfu/g max
Salmonella
25g negative
Listeria monocyt
Assay (on anhydrous basis)
90.0-102.0%
Natamycin 50% in Glucose
White to yellow powder
Content
50%min
Negative