世界*實驗材料供應(yīng)商 Schircks正式授權(quán)上海起發(fā)為其中國代理, Schircks在一直是行業(yè)的*,一直為廣大科研客戶提供zui為的產(chǎn)品和服務(wù),上海起發(fā)一直秉承為中國科研客戶帶來的產(chǎn)品,的服務(wù),簽約Schircks就是為了給廣大科研客戶帶來更加完善的產(chǎn)品和服務(wù),您的滿意將是我們zui大的收獲
Schircks中國代理, Schircks上海代理, Schircks北京代理,Schircks廣東代理, Schircks江蘇代理Schircks湖北代理,Schircks天津,Schircks黑龍江代理,Schircks內(nèi)蒙古代理,Schircks吉林代理,Schircks福建代理,Schircks江蘇代理, Schircks浙江代理, Schircks四川代理,
Schircks Laboratories由B. Schircks博士在瑞士成立,1980合成蝶啶。該公司是獨立經(jīng)營的。schircks實驗室已經(jīng)停止生產(chǎn)四氫生物蝶呤。BIOMARIN已經(jīng)接管了美國市場,默克雪蘭諾公司歐洲市場。他們將繼續(xù)擴(kuò)大。他們是負(fù)責(zé)供應(yīng)(鹽酸沙丙蝶呤呤)片劑(含量)。
超過100的schircks實驗室其他蝶啶類化合物主要用于科學(xué)和臨床診斷應(yīng)用的合成。我們不斷開發(fā)和改進(jìn)合成,并開始新的合成,以滿足世界各地的研究和開發(fā)小組的需求。
世界*實驗材料供應(yīng)商 Schircks正式授權(quán)上海起發(fā)為其中國代理, Schircks在一直是行業(yè)的*,一直為廣大科研客戶提供zui為的產(chǎn)品和服務(wù),上海起發(fā)一直秉承為中國科研客戶帶來的產(chǎn)品,的服務(wù),簽約Schircks就是為了給廣大科研客戶帶來更加完善的產(chǎn)品和服務(wù),您的滿意將是我們zui大的收獲
Schircks中國代理, Schircks上海代理, Schircks北京代理,Schircks廣東代理, Schircks江蘇代理Schircks湖北代理,Schircks天津,Schircks黑龍江代理,Schircks內(nèi)蒙古代理,Schircks吉林代理,Schircks福建代理,Schircks江蘇代理, Schircks浙江代理, Schircks四川代理,
Schircks Laboratories由B. Schircks博士在瑞士成立,1980合成蝶啶。該公司是獨立經(jīng)營的。schircks實驗室已經(jīng)停止生產(chǎn)四氫生物蝶呤。BIOMARIN已經(jīng)接管了美國市場,默克雪蘭諾公司歐洲市場。他們將繼續(xù)擴(kuò)大。他們是負(fù)責(zé)供應(yīng)(鹽酸沙丙蝶呤呤)片劑(含量)。
超過100的schircks實驗室其他蝶啶類化合物主要用于科學(xué)和臨床診斷應(yīng)用的合成。我們不斷開發(fā)和改進(jìn)合成,并開始新的合成,以滿足世界各地的研究和開發(fā)小組的需求。
D A T A S H E E T
4-Ami0-methylpteroylpolyglutamates
Product No.'s 16.412 and 16.417
Product number |
|
|
|
|
| 16.412 |
|
| 16.417 |
|
| |||||||||
Description |
|
|
|
|
|
|
| yellow-orange powder |
| yellow-orange powder | ||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
| |||||||
Solubility in H2O |
|
|
|
|
|
|
|
| very soluble |
|
| very soluble | ||||||||
|
|
|
|
|
|
|
|
|
|
|
|
| ||||||||
pH of a 1 mM solution in |
|
|
|
| 5.7 |
|
| 5.9 |
|
|
| |||||||||
water |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
HPLC |
| column |
|
|
| Waters Spherisorb S5 ODS1 |
| Waters Spherisorb S5 ODS1 | ||||||||||||
Conditions |
|
|
|
|
|
|
|
|
|
| 4.6x150 mm |
|
| 4.6x150 mm | ||||||
|
| eluant |
|
| 10 mM Na2HPO4 pH 7.0 / Methanol |
| 10 mM Na2HPO4 pH 6.0 | |||||||||||||
|
|
|
|
|
|
|
| (19:1) |
|
|
|
|
|
|
|
|
| |||
|
| flow rate |
|
|
|
|
|
|
| 1.0 ml/min |
|
| 1.0 ml/min | |||||||
|
| wavelength |
|
|
|
|
|
|
| 254 nm |
|
|
| 254 nm | ||||||
|
| solution |
|
|
|
|
|
|
| 0.6 mg/ml H2O |
|
| 1.4 mg/ml H2O | |||||||
|
|
|
|
|
|
|
|
|
|
|
| |||||||||
Purity: HPLC |
|
|
|
|
|
|
| 97.0% - 99.5% |
|
| 97.0% - 99.5% | |||||||||
|
|
|
|
|
|
| ||||||||||||||
Stability |
| powder |
|
| APA-Glun substances are light sensitive | and very hygroscopic. | ||||||||||||||
|
| solutions |
|
| No degradation was observed in a |
| 1 mM solution in water left open | |||||||||||||
|
|
|
|
|
| 1 mM solution in water left open for |
| degrades at rate 0.11% / 3 days. | ||||||||||||
|
|
|
|
|
| 3 days. |
|
|
|
|
|
|
|
|
| |||||
|
|
|
|
|
|
|
| |||||||||||||
Storage |
|
|
|
|
| Keep the powder dry in vials at –20°C | or colder. These compounds can be | |||||||||||||
|
|
|
|
|
| transported without the use of dry ice. In tightly closed vials they are stable | ||||||||||||||
|
|
|
|
|
| at ambient temperature for several weeks. |
|
|
|
| ||||||||||
|
|
|
|
| ||||||||||||||||
Safety Information |
|
|
| Methotrexate is toxic1) and probably also its derivatives. Our products are | ||||||||||||||||
|
|
|
|
|
| sold for laboratory use only. |
|
|
|
|
|
|
|
| ||||||
|
|
|
|
|
| |||||||||||||||
Literature |
|
|
|
| 1)Please refer to entries for folic acid and methotrexate in the Merck Index. | |||||||||||||||
|
|
|
|
|
| 2)Godwin H.A., et al, The Synthesis of Biologically Active Pteroyloligo-γ-L- | ||||||||||||||
|
|
|
|
|
| glutamates (Folic Acid Conjugates). J. Biol. Chem., 247, (1972), 2266-2271 | ||||||||||||||
|
|
|
|
|
| (UV-absorption). |
|
|
|
|
|
|
|
|
|
我們公司zui大優(yōu)勢是強(qiáng)大的采購,
1:基本什么都能進(jìn)口,血清,抗體,耗材,還有部分限制進(jìn)口的,
2:貨品全,現(xiàn)經(jīng)營過700多個品牌,基本所有生物試劑耗材都可以進(jìn)口,特別是冷偏的產(chǎn)品那就更有優(yōu)勢,
3:提供加急服務(wù),一般1-2周到貨,超過時限加急費全免
4:價格公道,絕大部分價格有優(yōu)勢,當(dāng)然不能保證100%產(chǎn)品都是,因為意味著沒有服務(wù).
5:良好的信譽(yù),大部分客戶我們提供貨到付款服務(wù),客戶包括清華,北大 交大 復(fù)旦,中山等100多所大學(xué),ROCHE,阿斯利康,國藥 ,fisher等500多家公司
6:我們還是Santa,Advanced Biotechnologies Inc, Schircks,bangs,BBInternational,crystalchem,dianova,FD Neurotechnologies,Inc. FormuMax Scientific,Inc, GePromegaridege, Glycotope Biotechnology GmbH; iduron,Innovative Research of America, Ludger, neuroprobe,Schircks, Polysciences,prospecbi, QA-BIO,quickzyme,FULLERLABS,INC,sterlitech;sysy,TriLink BioTechnologies,Inc;worthington-biochem,zyagen等幾十家國外公司授權(quán)代理。
7:我們還是invitrogen,qiagen,Schircksam,sigma;Promega,roche,merck, rnd,BD, GE,pierce,BioLegend等*批發(fā),歡迎合作。
電話
QQ咨詢
4006551678