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Home > Products >  Best Entecavir monohydrate assay 99.9%

Best Entecavir monohydrate assay 99.9% CAS NO.209216-23-9

  • msdsMSDS/COA Download

  • FOB Price: USD 42000 /Kilogram Get Latest Price
  • Min.Order: 10 Gram
  • Payment Terms: T/T,Western Union,MoneyGram,Other
  • Available Specifications:

    99.9%(1-10)Kilogram

  • Product Details

Keywords

  • Entecavir monohydrate
  • 2-Amino-1,9-dihydro-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one monohydrate Entecavir
  • Entecavir 99.9%

Quick Details

  • ProName: Best Entecavir monohydrate assay 99.9%
  • CasNo: 209216-23-9
  • Molecular Formula: C12H15N5O3
  • Appearance: white powder
  • Application: 209216-23-9 intermediate
  • DeliveryTime: 3days
  • PackAge: fiber can/aluminum foil bag
  • Port: china(beijing,shanghai,qingdao)
  • ProductionCapacity: 10 Kilogram/Month
  • Purity: 99.9%
  • Storage: room temperature
  • Transportation: by air or by sea
  • LimitNum: 10 Gram
  • Moisture Content: 5.8-6.3%
  • Impurity: 0.01%
  • assay: 99.9%
  • Standard: complies to EP9, USP39
  • High Purity: 99.9%

Superiority

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certificate of analysis

 

product name

entecavir monohydrate

 

inspection items

accepted standard

results

appearance

white to off-white  powder 

complies

optical rotation

+24.0°—+30.0°(dmf:meoh=1:1 c=1%)

+26.9°

identification

a: by ir, to match with working standard

complies

b:by hplc,retain time should match with working standard

complies

water

5.5%—7.0%

6.2%

related substances

furoentecavira              ≤0.1%

not found

entecavir 1-epimerb.     ≤0.1%

not found

entecavir 3-epimerc        ≤0.1%

not found

8-hydroxy entecavird      ≤0.1%

not found

entecavir 4-epimere        ≤0.1%

not found

8-methoxy entecavirf       ≤0.1%

not found

4-dimethylsily entecavirg.  ≤0.1%

not found

entecavir related compound a  ≤0.1%

not found

any unspecified  impurity ≤0.1%

0.01%

total impurities ≤0.3%

0.03%

residue on ignition

≤0.1%

0.04%

heavy metals

£ 10ppm

complies

residual  solvents

should complies

complies

assay

98.0-102.0%

99.8%

conclusion :complies to usp39.

 

 

Details

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 CERTIFICATE OF ANALYSIS

 

Product name

Entecavir monohydrate

Inspection Items

Accepted Standard

Results

Appearance

White to off-white  powder 

Complies

Optical rotation

+24.0°—+30.0°(DMF:MeOH=1:1 c=1%)

+26.9°

Identification

A: By IR, To match with working standard

Complies

B:By HPLCretain time should match with working standard

Complies

Water

5.5%—7.0%

6.2%

Related Substances

Furoentecavira              0.1%

Not found

Entecavir 1-epimerb.     0.1%

Not found

Entecavir 3-epimerc        0.1%

Not found

8-Hydroxy entecavird      0.1%

Not found

Entecavir 4-epimere        0.1%

Not found

8-Methoxy entecavirf       0.1%

Not found

4-Dimethylsily entecavirg.  0.1%

Not found

Entecavir related compound A  0.1%

Not found

Any unspecified  impurity ≤0.1%

0.01%

Total impurities ≤0.3%

0.03%

Residue on ignition

≤0.1%

0.04%

Heavy metals

£ 10ppm

Complies

Residual  solvents

Should complies

Complies

Assay

98.0-102.0%

99.8%

Conclusion Complies to USP39.

 

 

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