Pharmaceutical Chemicals

CAS: 69655-05-5 Molecular formula: C10H12N4O3 Molecular weight: 236.23 Characteristics: A white crystalline powder Assay: =99.0% Specifc rotation:-24 º~ -28 º Heavy Metal: =10PPM Loss on drying:=0.5% Residual on ignition:=0.25% Used: Antiviral agent, anti HIV

CAS No 7481-89-2 Molecular formula C9H13N3O3 Molecular weight 211.22 Characteristics A white powder STANDARD: USP28 Assay:=99.0% Water(KF):<0.5% Antiviral agent, anti HIV

(2',3'-Didehydro-3'-deoxythymidine) Formula: C10H12N2O4 Mol.weight: 224.21 CAS No.: [3056-17-5] Description: White off white crystal powder Melting point: 162?~168? Specific rotation: -41°~ -47° Loss on drying: =0.5% Residue on ignition: =0.3% Heavy metals (as pb): =20ppm Related substances: Thymine: =1.0% 5-Methyluridine: =0.2% Thymidine: =0.2% Total impurity: =1.5% Assay: 97.0% ~102.0%

Febuxostat CAS:144060-53-7 99% HPLC Febuxostat (Brand Name Adenuric) Is An Inhibitor Of Xanthine Oxidase For The Treatment For Gout.it Was Approved By The European Medicines Agency On April 21, 2008.

CAS NO: 69558-55-0(net) Sequence: H-Arg-Lys-Asp-Val-Tyr-OH Formula: C30H49N9O9 Identity by MS: 679.8±1 Appearance: White or almost white powder

CAS NO: 77591-33-4(net) Sequence: Ac-Ser-Asp-Lys-Pro-Asp-Met-Ala-Glu-Ile-Glu-Lys-Phe-Asp- Lys-Ser-Lys-Leu-Lys-Lys-Thr-Glu-Thr-Gln-Glu-Lys-Asn-Pro- Leu-Pro-Ser-Lys-Glu-Thr-Ile-Glu-Gln-Glu-Lys-Gln-Ala-Gly-Glu-Ser-OH Appearance: White or almost white lyophilized powder Formula: C212H350N56O78S Identity by MS: 4963.49±1

CAS NO: 60304-98-7(net) Sequence: N-Acetyl-Ser-Asp-Ala-Ala-Val-Asp-Thr-Ser-Ser-Glu-Ile- Thr-Thr-Lys-Asp-Leu-Lys-Glu-Lys-Lys-Glu-Val-Val-Glu- Glu-Ala-Glu-Asn-OH Formula: C129H215N33O55 Identity by MS: 3108.7±2 Appearance: White or almost white powder

CAS NO: 38916-34-6(net) Sequence: H-Ala-Gly-Cys-Lys-Asn-Phe-Phe-Trp-Lys-Thr-Phe-Thr- Ser-Cys-OH(Disulfide Bridge:3-14) Formula: C76H104N18O19S2 Identity by MS: 1638±1 Appearance: White,amorphous powder

CAS NO: 50-56-6(net) Sequence: H-Cys-Tyr-Ile-Gln-Asn-Cys-Pro-Leu-Gly-NH2(Disulfidebridge:1-6) Formula: C43H66N12O12S2 Identity by MS: 1007±1 Appearance: White or almost white powder

CAS No.: 83150-76-9 (net) Sequence: H-D-Phe-Cys-Phe-D-Trp-Lys-Thr-Cys-Thr-ol (Disulfide Bridge:2-7) Appearance: White or almost white lyophilized powder Formula: C49H66N10O10S2

CAS NO: 16941-32-5(net) Sequence: H-His-Ser-Gln-Gly-Thr-Phe-Thr-Ser-Asp-Tyr-Ser-Lys-Tyr- Leu-Asp-Ser-Arg-Arg-Ala-Gln-Asp-Phe-Val-Gln-Trp-Leu- Met-Asn-Thr-OH Formula: C153H225N43O49S Identity by MS: 3482.6±2 Appearance: White or almost white powder

CAS NO: 16679-58-6(net) Sequence: 3-Mercaptopropionyl-Tyr-Phe-Gln-Asn-Cys-Pro-D-Arg-Gly-NH2 (Disulfide Bridge:1-6) Formula: C46H64N14O12S2 Identity by MS: 1069±1 Appearance: White fluffy powder

CAS NO: 47931-85-1(net) Sequence: H-Cys-Ser-Asn-Leu-Ser-Thr-Cys-Val-Leu-Gly-Lys-Leu- Ser-Gln-Glu-Leu-His-Lys-Leu-Gln-Thr-Tyr-Pro-Arg-Thr- Asn-Thr-Gly-Ser-Gly-Thr-Pro-NH2 (Disulfide Bridge:1-7) Formula: C145H240N44O48S2 Identity by MS: 3431.9±1 Appearance: White or almost white powder

?Product Name?S-1-phenyl-1,2,3,4-tetrahydroisoquinoline ?CAS NO.? 118864-75-8 ?Structure? ?Specification? Assay=98%(HPLC) ?Appearance? White crystalline powder ?Use? As pharmaceutical intermediate. ?Inventory Status? Build To Order ?Other Items?According to the demands of clients

Product name:Furazolidone CAS RN.:67-45-8

Sample name: 3-Chloro-2-nitropyridine CAS NO.: 54231-32-2 Purity:97%min

Sample name: Boc-cis-4-Fluoro-L-proline CAS NO.: 203866-13-1 Purity:97%min

Sample name: 3-Acetyl-2-fluoropyridine CAS NO.: 79574-70-2 Purity:98%min

Sample name : 2-Bromo-5-fluorobenzyl bromide CAS NO.: 112399-50-5 Purity:98%min

Sample name: 3,4-Diamino-2-hydroxypyridine CAS NO.: 33631-02-6 Purity:97%min