硫酸大观霉素

CAS Number

64058-48-6

Molecular Formula

C₁₄H₂₄N₂O₇.H₂SO₄.4(H₂O)

Molecular Weight

502.49

Molecular Structure

Packing

10 bou/Drum

Capacity

Production upon order

Storage

Keep tightly closed in light-resistant containers.

Application

It is broad spectrum antibiotics

Appearance

White or almost white powder,

Solubility

Freely soluble in water, insoluble in ethanol(96%)

Identification

Meet the requirements

Appearance of solution

Clear and colorless

PH

3.8~5.6

Specific optical rotation

+10.0°~+14.0° 

Related Substance

Meet the requirements

Water

12.0%~16.5%

Sulfated Ash

≤1.0%

Assay(Anhydrous substance)

• (4R)-dihydrouspectinomycin    sulfate

• Spectinomycin sulfate and (4R)-dihydrospetinomycin sulfate

≤2.0%

93.0%~102.0%

Residual Solvents

• Acetone

 ≤0.3%

Heavy Metals

≤ 20 ppm

Sulfate

21.0%~26.0%

Microbial limit
     Total bacteria count
     Total mold and mircozyme
     Escherichia coli

≤ 500 cfu/g
≤ 50 cfu/g
Absence

Standard

EP 8