| 品牌 | 其他品牌 | 適用領域 | 科研 |
|---|---|---|---|
| 產地 | 進口 | 加工定制 | 是 |
廣州鴻程生物有限公司一家專注于生命科學的科技企業，由在國內科研試劑領域有著豐富從業經驗的技術團隊和管理團隊組建而成，專營進口生物試劑，科學儀器，實驗消耗品等。公司將不斷把上優質的產品引入國內市場，滿足客戶的需求，公司也將緊跟生命科學的發展，為廣大科研工作者探索生命科學的奧秘奉獻綿薄之力.專門從事以抗cuxiao Beckman A63881的磁珠 現貨，moltox 11-101.5等現貨，transgenomic 706020/706025現貨，Megazyme的大部分現貨，LIST現貨，、ALZET大量現貨，Avanti 、tedpella 、BioLegend、Polyplus、jena bioscience、Mattek、MRC-Holland、polysciences、enzo、novus、TOCRIS、CAYMAN、Neuro Probe、cyguns、eylabs、NIBSC、chondrex、lc laboratories、BTI、etonbio
Schircks Laboratories由B. Schircks博士在瑞士成立，1980合成蝶啶。該公司是獨立經營的。schircks實驗室已經停止生產四氫生物蝶呤。BIOMARIN已經接管了美國市場，默克雪蘭諾公司歐洲市場。他們將繼續擴大。他們是負責供應（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和臨床診斷應用的合成。我們不斷開發和改進合成，并開始新的合成，以滿足世界各地的研究和開發小組的需求。
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). | ||||||||||||||||||||
