Guanine CAS 73-40-5
Guanine CAS 73-40-5 Product Name: Guanine CAS No: 73-40-5 Molecular Formula: C5H5N5O Molecular Weight: 151.13 Molecular Structure: Appearance: A white to cream white color powder Purity: 99% Guanine TypicalProperties Item Specifications Appearance A white to cream white color powder Colour of solution Not more intensely coloured than reference solution Y5 Loss on drying 0.3% Assay […]
2-bromothiophene cas 1003-09-4
2-bromothiophene cas 1003-09-4 Chemical Name: 2-Bromothiophene CAS No1003-09-4 Molecular Fomula: C4H3BrS MolecularStructure: Molecular Weight:163.04 Appearance:Colorless to pale yellow liquid Assay: 99%min 2-BromothiopheneSpecification Item Standard Results Appearance Colorless to pale yellow liquid Pass Assay 99%min 99.63% Water 0.3%max 0.05% 2-BromothiopheneUsage 1.2-Thienyl esters are readily prepared using CuBr-LiBr and chloroform treated Grignard reagents. 2.Used as an intermediate […]
1-Chloroethyl chloroformate CAS 50893-53-3
1-Chloroethyl chloroformate CAS 50893-53-3 Chemical Name:1-Chloroethyl chloroformate CAS No.:50893-53-3 Molecular Formula:C3H4Cl2O2 Molecular Weight:142.97 Molecular Structure: Appearance: Colorless Liquid 1-Chloroethyl chloroformate Typical Properties Item Specifications Appearance Colorless, clear liquid Purity(GC) ≥99.00% Any other max single impurity ≤ 0.80% Total impurity ≤ 1.00% 1-Chloroethyl chloroformate Usage 1. Organic synthesis. It is a highly efficient and mild debenzylation-protecting group reagent, especially […]
α-galactosidase cas 9025-35-8
α-galactosidase cas 9025-35-8 Chemical Name: α-galactosidase CAS No.: 9025-35-8 Appearance: White or YellowPowder α-GalactosidaseTypical Properties Item Specifications Appearance Powder with good fluidity Colour White or Yellow color Odour Normal fermentation odour Enzymatic Activityu/g ≥500u/g pH (25℃) 5.0-7.0 Heavy Metal (as Pb)mg/kg ＜30 Mycotoxins Absent by test on the cc UF concentrate Total viable countcfu/mL ＜50,000/gram […]
5-chloro-2,3-difluoropyridine cas 89402-43-7
5-chloro-2,3-difluoropyridine cas 89402-43-7 Chemical Name:5-Chloro-2,3-difluoropyridine CAS No.: 89402-43-7 Molecular Formula: C5H2ClF2N Molecular Weight:149.53 MolecularStructure: Appearance:Colorless transparent liquid 5-Chloro-2,3-difluoropyridineTypical Properties Appearance Colorless transparent liquid Purity 96.6% HBCDD 2.8% Water content 0.08% 5-Chloro-2,3-difluoropyridineUsage 1.2,3-difluoro-5-chloropyridine is an organic raw material acetylene ester intermediate 2.2,3-difluoro-5-chloropyridine can also be used as an important intermediate for fine chemicals such as other […]
6-chloro-4-hydroxy-3-metho-xycarbonyl-2h-thieno[2,3-e]-1,2-thiazine- 1,1-dioxide cas 70374-51-5
6-chloro-4-hydroxy-3-metho-xycarbonyl-2h-thieno[2,3-e]-1,2-thiazine- 1,1-dioxide cas 70374-51-5 Chemical Name:6-chloro-4-hydroxy-3-metho-xycarbonyl-2H-thieno[2,3-e]-1,2-thiazine- 1,1-dioxide CAS No.:70374-51-5 Molecular Formula: C8H6ClNO5S2 Molecular Weight:295.72 MolecularStructure: Appearance:Pale yellowish brown powder Assay: 99% 6-chloro-4-hydroxy-3-metho-xycarbonyl-2H-thieno[2,3-e]-1,2-thiazine- 1,1-dioxide Typical Properties Item Standard Appearance Pale yellowish brown powder Assay 98.5% HPLC Individual Impurity ＜0.3% Total Impurity ＜1.1% Loss on drying ≤0.50% Melting point 188-192℃ 6-chloro-4-hydroxy-3-metho-xycarbonyl-2H-thieno[2,3-e]-1,2-thiazine- 1,1-dioxide Usage medicalintermediate 6-chloro-4-hydroxy-3-metho-xycarbonyl-2H-thieno[2,3-e]-1,2-thiazine- 1,1-dioxide Packaging […]
n-benzylaniline cas 103-32-2
n-benzylaniline cas 103-32-2 Chemical Name:N-Benzylaniline CAS: 103-32-2 Molecular Formula:C13H13N Molecular Weight:183.25 N-BenzylanilineStructure: Appearance: Light yellowish brown to colorless solids N-BenzylanilineTypical Properties Item Specifications Appearance Light yellowish brown to colorlesssolids Aniline ≤0.8% N-Phenylbenzylamine ≥98.5% N,N- dibenzyl aniline ≤1.0% N-Benzylaniline Usage Used asPharmaceutical Intermediates. N-BenzylanilinePackaging and Shipping 25kg/drum N-BenzylanilineStorage It should be sealed and shaded to be […]
2,6-naphthalenediol cas 581-43-1
2,6-naphthalenediol cas 581-43-1 Chemical Name:2,6-Naphthalenediol CAS No: 581-43-1 Molecular Formula: C10H8O2 Molecular Weight: 160.17 Molecular Structure: Appearance: Off-white powder Assay: 99%min 2,6-Naphthalenediol Typical Properties Item Specifications Results Appearance Off-white powder Conform Purity ≥99% 99.3% Water ≤0.5% 0.3 Melting Point ≥215℃ 215℃ 2,6-Naphthalenediol Usage 1.Used as a pharmaceutical intermediate 2.Used as a dye intermediate 2,6-Naphthalenediol Packaging […]
1-Indanone CAS 83-33-0
1. Description 1-Indanone (CAS 83-33-0) is a valuable cyclic ketone serving as a key intermediate in pharmaceutical synthesis. Its bicyclic structure provides a versatile scaffold for constructing complex Active Pharmaceutical Ingredients (APIs). Utilized in the development of various therapeutic agents, 1-Indanone is essential for synthesizing specific drug classes, contributing to efficient and targeted drug discovery […]
1,7-dihydroxynaphthalene cas 575-38-2
1,7-dihydroxynaphthalene cas 575-38-2 Chemical Name:1,7-Dihydroxynaphthalene CAS No.:575-38-2 Molecular Formula: C10H8O2 Molecular Weight:160.17 MolecularStructure: Appearance:Yellow Powder Assay: 99%min 1,7-Dihydroxynaphthalene Typical Properties Item Specifications Results Appearance Light Yellow Powder Conform Purity ≥98% 98.5% Water ≤1% 0.2% Melting Point 179~181℃ 180℃ 1,7-Dihydroxynaphthalene Usage Used as a pharmaceutical intermediate 1,7-Dihydroxynaphthalene Packaging and Shipping Packing: 25kg/drum Delivery: 5-7 days after […]
2,6-dimethoxynaphthalene cas 5486-55-5
2,6-dimethoxynaphthalene cas 5486-55-5 Chemical Name:Dimethoxynaphthalene CAS No.:5486-55-5 Molecular Formula: C12H12O2 Molecular Weight:188.22 MolecularStructure: Appearance:White Crystal Powder Assay: 99%min 2,6-Dimethoxynaphthalene Typical Properties Item Specifications Results Appearance White Crystal Powder Conform Purity ≥99% 99.5% Water ≤0.5% 0.2% Melting Point ≥155℃ 165℃ 2,6-Dimethoxynaphthalene Usage Used as a pharmaceutical intermediate 2,6-Dimethoxynaphthalene Packaging and Shipping Packing: 25kg/drum Delivery: 5-7 days […]
Trimethylhydroquinone cas 700-13-0
Trimethylhydroquinone cas 700-13-0 Chemical Name: Trimethylhydroquinone CAS No.: 700-13-0 Molecular Formula: C9H12O2 Molecular Weight: 152.9 Molecular Structure: Density: 0.9595 (rough estimate) Appearance: Off-white crystal powder Trimethylhydroquinone Typical Properties Items Specifications Appearance Off-white crystal powder Assay ≥98.50% Melting point 168.0-172.0 ℃ Loss on drying ≤0.5% Residue on ignition ≤0.5% Trimethylhydroquinone and Vitamin E Trimethylhydroquinone and isophytol […]
2,7-dimethoxynaphthalene cas 3469-26-9
2,7-dimethoxynaphthalene cas 3469-26-9 Chemical Name:2,7-Dimethoxynaphthalene CAS No.:3469-26-9 Molecular Formula: C12H12O2 Molecular Weight:188.22 MolecularStructure: Appearance:White crystalline Powder Assay: 99%min 2,7-Dimethoxynaphthalene Typical Properties Item Specifications Results Appearance White crystalline Powder Conform Purity ≥99% 99.5% Water ≤0.5% 0.2% Melting Point ≥136℃ 137℃ 2,7-Dimethoxynaphthalene Usage Used as a pharmaceutical intermediate 2,7-Dimethoxynaphthalene Packaging and Shipping Packing: 25kg/drum Delivery: 5-7 days […]
1,3-Dimethyladamantane CAS 702-79-4
1. Description 1,3-Dimethyladamantane, CAS 702-79-4, is a crucial polycyclic hydrocarbon intermediate predominantly used in the pharmaceutical industry. It serves as the essential starting material for the multi-step synthesis of Memantine Hydrochloride, a vital medication approved for the treatment of moderate-to-severe Alzheimer’s disease. Sourcing consistent, high-purity 1,3-Dimethyladamantane is paramount for manufacturers ensuring the quality and efficacy […]
amidinothiourea cas 2114-02-5
amidinothiourea cas 2114-02-5 Chemical Name:Amidinothiourea CAS No.: 2114-02-5 Molecular Formula: C2H6N4S Molecular Weight:118.16 MolecularStructure: Appearance:whte powder Amidinothiourea Typical Properties Appearance White powder Purity 98%min Amidinothiourea Usage As a pharmaceutical intermediate Amidinothiourea Packaging and Shipping Packing: 25kg/Fiber Drum Amidinothiourea Storage Storage in a dark, cool, ventilated, and dry environment