Buy pharmaceutical intermediates principle ingredients in manufacturing medicines


Perfluoroethyl Iodide

Perfluoroethyl iodide is used as pharmaceutical intermediate, agrochemical intermediate.

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Potassium Bromide KBR

Photographic grade Crystal Potassium Bromide KBR CHEMICAL FORMULA : KBr M.W.: 119.01 DESCRIPTION: white crystalline, or powder, density in 2?75(at 25?),melting point on 734?,boiling point on 1435?, dissolved in water and glycerin, with hygroscopicity, pH in 7. APPLICATION: Be used as developer and thicker, sedative in medicine, also be used to preparation of special soap, carving and printing. CAS#?7758-02-3 HS:2827510000 EINECS No.:?231-830-3 Name?Potassium Bromide Manufacture: Twin International Co., Limited Batch No?20150422 Inspection Date?2015.04.26 Quantity?1T Package?In 25kg net plastic woven bags. Item Specification Test Results 1? Appearance? White Crystal OK 2? Assay? %? ? 99.5 99.51 3? Degree of clearance? Passed OK 4?Chlorides (as Cl ) %? ? 0.1 0.02 5?Sulphates (as SO4 ) %? ? 0.005 < 0.005 6?Bromates(as BrO3)% ? ?0.001 < 0.001 7?PH? 5.5?8.5 6.11 8? Moisture %? ? 0.3 0.20 9?Lead(as Pb)%? ? 0.0003 < 0.0003 10?Transmittance 5% at410nm? ?96.0 98 11?Iron(as Fe2O3)ppm: ?2 ?2 Comments: confirm to the standard Remark?We may make special specification according to customer?s requirements.

Trimethylarsine Oxide

Trimethylarsine Oxide is a probable intermediate in the biological transformation of arsenate, was reduced to volatile trimethylarsine by Candida humicola.

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U-49900 Technical 98%

E-mail: Sunny(at) 
whatsapp/skype: 0086-13189792862
Product advantage: 
1. We can guarantee the quality of the product. 
2. Fast and safe delivery . 
3. We can provide competitive price for you. The more you buy , the lower the price will be. 
4. We are an experienced enterprise of manufacturing various kind of Organic intermediates, Our customers come from all parts of the world, had a very good cooperation between us.Customer very pleased with our products. 
Hebei Chenxu Biotechnology Co., LTD can provide you stable quality, high purity, good packaging at most competitive price. 
Chenxu supply and export high quality and purity research chemicals in both large and small quantities…our products is as below:Our products are of High purity (above 99%) . 
etizolames 5cabp 4-fpet 6apb abc mdmaes MDPHP U-49900 
TH-PVP 3cmc 4cmc 4mmcs 4cdc 4-MPD MDPPP MDPBP 
U-47700 4F-PHP BK-2C-B EG-018 a-pvpes carfentanyles Hexen 
5-Methylethylone 4-Aco-DMT NM-2201 EAM-2201 AMs-2201 
MAB-CHMINACA MAM-2201 Mexedrone Furanylfentanyl(Fu-F) 
diclazepam flubromazolam meclonazepam flubromazepam nitrazolam 

dexamethasone USP 99%

product Name Dexamethasone 
Synonyms 9-alpha-fluoro-11-beta,17-alpha,21-trihydroxy-16-alpha-methylpregna-1,4-diene-3,20-dione; 9-alpha-fluoro-16-alpha-methylprednisolone; 9alpha-Fluoro-11beta,17alpha,21-trihydroxy-16alpha-methylpregn-1,4-diene-3,20-dione; (8xi,11beta,16alpha)-9-fluoro-11,17,21-trihydroxy-16-methylpregna-1,4-diene-3,20-dione 
Molecular Formula C22H29FO5 
Molecular Weight 392.4611 
InChI InChI=1/C22H29FO5/c1-12-8-16-15-5-4-13-9-14(25)6-7-19(13,2)21(15,23)17(26)10-20(16,3)22(12,28)18(27)11-24/h6-7,9,12,15-17,24,26,28H,4-5,8,10-11H2,1-3H3/t12-,15?,16+,17+,19+,20+,21+,22+/m1/s1 
CAS Registry Number 50-02-2 
EINECS 200-003-9 


1-Bromo-4-chlorobutane is used as an intermediate to manufacture surfactant, pharmaceuticals and other organic compounds.

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1-Piperazineethanamine is a derivative of piperazine.It is a corrosive is used as corrosion inhibitor, epoxy curing, surface activation, and as an asphalt additive.It is also used as an intermediate in the manufacture of urethane catalysts, pharmaceuticals, emulsifiers.

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