CHANGZHOU HIGHASSAY® CHEMICAL CO., LTD

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

7681-93-8

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

25g negative

Assay (on anhydrous basis)

90.0-102.0%

Product name

Natamycin 50% in Glucose

Appearance

White to yellow powder

Content

50%min

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

Negative

Listeria monocyt

Negative