Doxycycline

Yellow crystalline powder
antibiotics drug
Items
SPECIFICATION
RESULT
Appearance
Yellow crystalline powder
Complies
Identification
As Stipulated
Complies
Identification A
HPLC
Complies
Identification B
Sulphuric acid reaction a yellow colour develops
Complies
Identification C
It gives reaction of chlorides
Complies
Heavy Metal
≤50ppm
<50ppm
pH
2.0-3.0
2.5
Related substance
a) 6-epidoxycycline≤2.0%
1.8%
b) metacycline≤2.0%
0.2%
c) 4-epidoxycycline≤0.5%
Not found
d) 4-epi-6-epidoxycycline≤0.5%
Not found
e) oxytetracyclie ≤0.5%
Not found
f) 2-acety-2-decarbamoyldoxycycline ADOT ≤0.5%
Not found
g) any other impurity ≤0.5%
Not found
h) not identified impurities≤0.1%
Not found
Specific Optical Rotation
-105~ -120°
-112°
Specific absorbance
At 349 nm E(1%) 300-335
323
Light absorbing impurities
At 490 nm ≤0.07
0.02
Ethanol
4.3-6.0% (m/m)
4.9%
Water
1.4-2.8%
1.9%
Sulphated ash
≤0.4%
0.1%
Assay
95.0%-102.0% (C22H25ClN2O8) based on anhydrous, ethanol-free substance
99.3%

Drostane Propionate

Drostane Propionate

Drotaverine Hcl

Name:Drotaverine Hcl
Other Name:Drotaverine Hydrochloride Tablets
CAS:985-12-6
MF:C24H31NO4.HCl
MW:433.97
Drotaverine Hcl
Name:Drotaverine Hcl
Other Name:Drotaverine Hydrochloride Tablets
CAS:985-12-6
MF:C24H31NO4.HCl
MW:433.97
Properties:
White white crystall powder


Usage:
1. The gastrointestinal tract convulsion, stress sex bowel syndrome.

2. Bravery colic and biliary convulsion, cholecystitis, cystic and calculous biliary phlogistic,.

3. Renal colic and urinary tract convulsion, kidney stones, ureter stone, pyelonephritis, cystitis.

4. Uterine convulsion, dysmenorrhea, threatening miscarriage, uterine stiffness
.

Dry Vitamin B2

1.orange yellow crystalline powder
2.dry
3.positive reaction
1.dry vitamin B2
2.As a natural antioxidant inside cells, supplies oxygen to blood, which is carried to the heart and other organs

Duralone

methylprednisolone
be used in the rheumatic arthritis,collagen disease,anaphylactic disease and so on
methylprednisolone

Appearance: white to practically white crystalline powder;

Assay: 97-103%

Meiting point: 240

Loss on drying: 0.2%

conclusion: complies with USP30

Dyclonine Hydrochloride powder

Dyclonine Hydrochloride powder
1.CAS Number: 536-43-6
2.white crystalline powder
3.Can supply from 1kg to bulk quantity
Dyclonine Hydrochloride powder
Chemical formula: C18H28ClNO2
CAS Number: 536-43-6
Quality Standard: GB
Packaging Specifications: 25 kg / barrel
Product Description: white crystalline powder
Purity:99%
Packing:25kg/drum

Dyclonine hydrochloride

Chemical formula: C18H28ClNO2
CAS Number: 536-43-6
Quality Standard: GB
Chemical formula: C18H28ClNO2
CAS Number: 536-43-6
Quality Standard: GB
Packaging Specifications: 25 kg / barrel
Product Description: white crystalline powder
Purity:99%

Packing:25kg/drum

Loss on drying:
Max 3%

Heavy metals PPM:
Max 20ppm

Microbiology:
Total Plate Count:
Yeast & Mold:
E.Coli:
S. Aureus:
Salmonella:
<1000cfu/g
<100cfu/g
Negative
Negative
Negative

Packing description:
vaccum foil package
Storage:
Store in cool & dry place not freeze., keep away from strong light and heat
Shelf life:
2 years when properly stored





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