Entecavir 99%min Pharmaceutical Nucleoside Antivirus products made in china
1 Inquiries
142217-69-4
2026-07-25
D-Biotin,Tobramycin base,L(-)-Carnitine base,Polymyxin B sulfate USP,Kanamycin sulfate monohydrate,Finasteride 99% USP
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Product Description
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Seller Information
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Inquiry History
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DescriptionKeywords
Entecavir
Entecavir 99%
Entecavir API
Quick DetailsProName:Entecavir 99%min Pharmaceutical Nucleoside Antivirus products made in china
CasNo:142217-69-4
Molecular Formula:C12H15N5O3
Appearance:A white to nearly white crystalline powder
Application:used medicine
DeliveryTime:prompt shipment
PackAge:as required
Port:China main port
ProductionCapacity:Metric Ton/Day
Purity:≥99.0%
Storage:Room temperature
Transportation:by sea by air express
LimitNum:1 Kilogram
Superiority99%min
Details
Entecavir
【Appearance】
A white to nearly white crystalline powder, odorless.
Solubility
Very slightly soluble in water, slightly soluble in methanol, practically insoluble in aether.
Specific rotation
+24°～ +28°
【Identification】
（1）
The retention time of the principle peak obtained from the test solution is identical with that obtained from reference solution.
（2）
The infrared absorption spectrum is identical with that of reference.
【Inspection】
PH
5.5～7.5
Related substances
(1)
Single largest unknown≤0.10％
(2)
Total impurities≤0.30％
Enantiomers
≤0.2％
Methanol
≤0.3％
Dichloromethane
≤0.06％
n-Hexane
≤0.029％
Tetrahydrofuran
≤0.072％
N,N-dimethylformamide
≤0.088％
Toluene
≤0.089％
Water
5.8％～6.5％
Residual on ignition
≤0.1%
Heavy metal
≤20ppm
【Assay 】
98.0%~102.0％(C12H15N5O3, on anhydrous basis)
Basic Info-
Product Name:
Entecavir
Other Name:6H-Purin-6-one,2-amino-1,9-dihydro-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-;6H-Purin-6-one,2-amino-1,9-dihydro-9-[4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-,[1S-(1α,3α,4β)]-;2-Amino-1,9-dihydro-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one;BMS 200475;Entecavir;SQ 34676;Baraclude;ETV;31: PN: WO2016077321 SEQID: 31 claimed sequence
CAS No.:142217-69-4
Molecular Formula:C12H15N5O3
InChIKeys:InChIKey=QDGZDCVAUDNJFG-FXQIFTODSA-N
Molecular Weight:277.283
Exact Mass:277.28
EC Number:1806241-263-5
UNII:NNU2O4609D
DSSTox ID:DTXSID4046446
NCI Thesaurus Code:C76494
Color/Form:White to off white powder
ATC Code:J05AF10|J - Antiinfectives for systemic use
HScode:29339900
Categories:
Characteristics-
PSA:
126
XLogP3:-0.8
Appearance:Solid
Density:1.81±0.1 g/cm3(Predicted)
Melting Point:249-252°C
Boiling Point:661.4±65.0 °C(Predicted)
Flash Point:397.9ºC
Refractive Index:1.837
Water Solubility:H2O: Slightly soluble (2.4 mg/mL at pH 7.9, 25 °C)
Storage Conditions:-20°C Freezer
Vapor Pressure:4.6X10-18 mm Hg at 25 deg C (est)
PH:pH = 7.9 in a saturated solution of water at 25 °C
Henrys Law Constant:Henry's Law constant = 1.6X10-21 atm-cu m/mole at 25 °C (est)
Dissociation Constants:pKa = 8.00 - (est)
Experimental Properties:White to off-white powder, mp: >220 °C. Specific optical rotation: +35 deg at 25 °C/D (c = 0.38 in water). Solubility in water: 2.4 mg/mL. pH of saturated solution in water is 7.9 at 25 °C /Entecavir monohydrate/
Hazard IdentificationClassification of the substance or mixture
no data available
GHS label elements, including precautionary statements
Pictogram(s) no data available Signal word no data available
Hazard statement(s) no data available
Precautionary statement(s) Prevention no data available
Response no data available
Storage no data available
Disposal no data available
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.
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Seller Information
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Business Type:
Manufactory
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Main Products:
D-Biotin,Tobramycin base,L(-)-Carnitine base,Polymyxin B sulfate USP,Kanamycin sulfate monohydrate,Finasteride 99% USP
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Location:
1613 Guangyin Building,No.42 E.Fengqi Road,Hangzhou,310012 China.
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Payment Terms:
TT against copy of documents,L/C
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Average lead Time:
7
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Total Annual Revenue:
$25 million-$50 million
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Total Employees:
11-50
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Year of Establishment:
2011
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Inquiry History1 Inquiries
Country Product Purchase Quantity Date Posted 
Vietnam
Entecavir
1 KG Dec 23, 2025 Post an enquiry for this product