Pharmaceutical raw materials used in synthesizing new medications



Molecular Weight:277.28Molecular Formula: C12H15N5O3

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entecavir 99%

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entecavir hydrate Purified 99%

Entecavir hydrate [CAS:209216-23-9]  
Synonyms: 2-Amino-1,9-dihydro-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one monohydrate 
Molecular Formula: C12H15N5O3.H2O 
Molecular Weight: 295.30 

Appearance:White or off-white powder  
Package:aluminium foil bag 
Usage:Adult chronic hepatitis B 

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etidronate disodium USP 99%+

Product Name:disodium ethydronate

Synonyms:Phosphonic acid, (1-hydroxyethylidene)bis-, disodium salt; 1-hydroxyethylidene)di-phosphonic aci disodium salt; 1-hydroxyethane-1,1-diyl)diphosphonic acid disodium salt; (1-hydroxyethylidene)diphosphonic acid, disodium salt; 1-hydroxyethylidene-1,1-diphosphonic acid disodium salt; didronel r; disodium (1-hydroxyethylidene)diphosphonate; disodium 1-hydroxyethylidene phosphonate; disodium dihydrogen (1-hydroxyethylidene)diphosphonate; disodium ethanol-1,1-diphosphonate; disodium etidronate; ethane-1-hydroxy-1,1-diphosphonic acid, disodium salt; etidronate disodium; (1-hydroxyethane-1,1-diyl)di-phosphonic aci disodium salt; (1-hydroxyethylidene)bis-phosphonic aci disodium salt; sm-5600; sodium ethidronate; sodium ethydronate; sodium etidronate; sodiumetidronate; Phosphonic acid,(1-hydroxyethylidene)bis-,disodium salt; hedp disodium salt; Disodium of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid; etidronic acid disodium salt; Disodium salt of 1-Hydroxy Ethylidene-1,1-DiphosphonicAcid; HEDP・Na2; phosphonate, P,P'-(1-hydroxyethylidene)bis-, sodium salt (1:2); (1-Hydroxyethane-1,1-diyl)diphosphonic acid disodium salt

Molecular Formula:C2H4Na2O7P2

Molecular Weight:247.9771


CAS Registry Number:7414-83-7


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etizolam CAS:40054-69-1 USP 97%



MF: C17H15ClN4S

MW: 342.85

Appearance:white crystal powder


MP: 147-148?

Density:1.43 g/cm3

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fenticonazole nitrate Purified 99%

Name: Fenticonazole nitrate

CAS NO. 73151-29-8

Purity: 99%

Appearance: almost white powder

Sample: acceptable

Sample time: within 2 days

Packaging: foil bag for small quantity, and fiber drum for bulk quantity

Payment terms: T/T, Paypal, L/C

Sea port: Qingdao

Airport: Jinan/Beijing/Qingdao etc.

Contact person: Freda

Should you have any questions, please feel free to contact me, we will try our best to make you satisfied. Hope to receive your enquiry as soon as possible. Thank you very much!

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fosaprepitant 99%

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fulvestrant 99%

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gamma-Butyrolactone GBL 99%min

γ-butyrrolactone ;gamma-Butyrolactone GBL 
(sophia525 at yccreate dot com)
(Facebook:sophia525 at ycgmp dot com)
gamma-Butyrolactone GBL 1,4-Butyrolactone GBL supplier high purity low price largest manufacture
Appearance: colorless liquids
Packing:200kg/iron drum
Product Name: gamma-Butyrolactone
Synonyms: 1-Oxacyclopentan-2-one;2(3H)-dihydrofuranone;2(3H)-Furanone, dihydro-;2(3H)-furanone,dihydro-;2,3,4,5-tetrahydro-2-furanone;2-Oxolanone;2-Oxotetrahydrofuran;3-Hydroxybutyric acid lactone
CAS Registry Number:96-48-0
MF: C4H6O2
MW: 86.09
EINECS: 202-509-5
Product Categories: Pharmaceutical Intermediates;Heterocycles;Miscellaneous Reagents
Mol File: 96-48-0.mol
mp ?45 °C(lit.)
bp 204-205 °C(lit.)
density 1.12 g/mL at 25 °C(lit.)
vapor density 3 (vs air)
vapor pressure 1.5 mm Hg ( 20 °C)
FEMA 3291
refractive index n20/D 1.436(lit.)
Fp 209 °F
storage temp. 2-8°C
Water Solubility MISCIBLE
Merck 131,596
Stability: Stable. Hygroscopic. Incompatible with strong oxidizing agents, strong acids, strong bases, strong reducing agents.
CAS DataBase Reference 96-48-0(CAS DataBase Reference)
NIST Chemistry Reference ?gamma?-Butyrolactone(96-48-0)
EPA Substance Registry System 2(3H)-Furanone, dihydro-(96-48-0)
PackAge: 200kgs drum or ISO tank
γ-Butyrolactone (GBL) is a hygroscopic colorless liquid with a weak characteristic odor. Soluble in water, GBL is a commonsolvent and reagent in chemistry 
as well as being used as a flavouring, as a cleaning solvent, as a superglue remover, and as asolvent in some wet aluminium electrolytic capacitors. 
In humans it acts as a prodrug for γ-hydroxybutyric acid (GHB), and it is used as a recreational intoxicant with effects similar to alcohol.
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gefitinib 99%

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