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- 详细信息
- 文献和实验
- 技术资料
- 库存:
30
- 英文名:
Methyl 1,6-dihydroxy-3-methylxanthone-8-carboxylate
- CAS号:
85003-85-6
- 保质期:
详见说明书
- 供应商:
上海抚生
- 保存条件:
低温冷藏
- 规格:
详见说明书
CAS No.:85003-85-6
中文名:
别名:
分子式:C16H12O6
性状:Yellow powder
纯度:97.0%
Methyl 1,6-dihydroxy-3-methylxanthone-8-carboxylate说明书增加稳定性,化学对照品的包装应能防潮、避光和抗氧化。一般固体韧应分装在可重新封闭的容器内,以便于多次使用.液体或易潮解物质分装在熔封的玻璃安瓶内。易氧化的物质可充氮包装。化学对照品的保存应以提高物质稳定性为原则.尽可能在干燥、低温条件下储藏。但易吸湿潮解的样品在普通冰箱或冷库中保存会因相对湿度较高而降低其稳定性.必须置密封容器中。
Methyl 1,6-dihydroxy-3-methylxanthone-8-carboxylate说明书化学药品标准物质的分类:
1.按来源:
(1)国际化学标准物质(WHO)
(2)美国药典标准物质(USPC,USP)
(3)欧式药典标准物质(EDQM,EP)
(4)日本药局标准物(PMRJ,JP)
(5)国家药品标准物质(NICPBP,CHP)
2.按测定方法和使用对象:
(1)生物标准物质
(2)化学标准物质(化学对照物质)
3.按使用要求:
(1)国际化学对照品
(2)国家化学对照品
(3)工作化学对照品
4.按用途:
(1)鉴别用化学对照品
(2)纯度或杂质检查用对照品
(3)含量测定用对照品
(4)标准仪器用对照品
5.按药品使用对象:
(1)化学对照品
(2)中药化学对照品
(3)抗生素化学对照品
(4)麻醉药品化学对照品
Rabbit Angiopoietin 2,ANG-2 ELISA试剂盒 质量规格:>95.0%(GC) 4-Chloro-4'-hydroxydiphenyl Ether
Rabbit angiotension Ⅱ,ANG-Ⅱ ELISA试剂盒 质量规格:>99.0%(GC) 4,4'-Dinitrodiphenyl Ether
Rabbit anti-brain tissue antibody,ABAb ELISA试剂盒 质量规格:>97.0%(GC)(T) 3,4'-Diaminodiphenyl Ether
Rabbit anti-glycoprotein antibody,GP ELISA试剂盒 质量规格:>98.0%(GC) 1,4-Diphenoxybenzene
Rabbit anti-Monocyte antibody,AMA ELISA试剂盒 质量规格:>98.0%(GC)(T) 4,4'-Dicarboxydiphenyl Ether
Rabbit anti-neutrophil granules antibody,ANGA ELISA试剂盒 质量规格:>98.0%(GC) 4,4'-Dihydroxydiphenyl Ether
Rabbit Anti-Smooth Muscle Antibody,ASMA ELISA试剂盒 质量规格:>98.0%(GC) 2,2'-Dihydroxydiphenyl Ether
Rabbit Apolipoprotein E,Apo-E ELISA试剂盒 质量规格:>98.0%(GC) 4-Benzoyl 4'-Methyldiphenyl Sulfide
Rabbit apoprotein A1,apo-A1 ELISA试剂盒 质量规格:>98.0%(GC) 4-tert-Butyldiphenyl Sulfide
Rabbit apoprotein B100,apo-B100 ELISA试剂盒 质量规格:>98.0%(GC) Bis(4-hydroxyphenyl) Sulfide
rabbit basic fibroblast growth factor,bFGF ELISA试剂盒 质量规格:>98.0%(GC)(T) 5,5'-Thiodisalicylic Acid
Rabbit B-cell leukemia/lymphoma 2,Bcl-2 ELISA试剂盒 质量规格:>98.0%(GC) 4,4'-Dichlorodiphenyl Sulfone
Rabbit Bcl-2 Assaciated X protein,BAX ELISA试剂盒 质量规格:>96.0%(GC) Bis[3,5-dibromo-4-(2-hydroxyethoxy)phenyl] Sulfone
Rabbit bone morphogenetic proteins,BMPs ELISA试剂盒 质量规格:>97.0%(GC) Bis[4-(2-hydroxyethoxy)phenyl] Sulfone
rabbit brain natriuretic peptide,BNP ELISA试剂盒 质量规格:>95.0%(T) Diphenylsulfone-3,3'-disulfonic Acid Disodium Salt
Methyl 1,6-dihydroxy-3-methylxanthone-8-carboxylate说明书罗库溴铵Rocuronium119302-91-9
罗哌卡因(标准品)Ropivacaine84057-95-4
罗哌卡因-d7Ropivacaine-d7(unlabeled)
罗哌卡因Ropivacaine84057-95-4
罗哌卡因盐盐-d7Ropivacaine-d784057-95-4
罗匹尼罗N-氧化物Ropinirole1076199-41-1
罗沙替丁Roxatidine质量规格:美国进口
罗舒伐他汀内酯Rosuvastatin503610-43-3
罗舒伐他汀酰基-β-D-葡萄糖苷Ro
Methyl 1,6-dihydroxy-3-methylxanthone-8-carboxylate说明书对照品、标准品、内标物的区别:
一)对照品
是指用于鉴别、检查、含量测定和校正检定仪器性能的标准物质,采用化学方法来测定,即是一般仪器的都叫做对照品。分为官方标准品和工作对照品,试剂公司买的不能作为正常的对照品使用,必须经过标定之后才可使用。
二)标准品
标准品,即标准物品,是中药标准对照品研究中心代理的作为一种衡量标准。
三)内标物
能完全溶解于样品中,且不与待测组分发生化学作用;峰位尽可能与待测组分的峰位靠近,但能与待测组分完全分开(分离度R≥1.5)的纯物质,就叫做内标物。
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文献和实验Methyl DNA Immunoprecipitation
. The first is described in Chapter 2 and the second is shown here. At Diagenode, a novel METHYL kit has been designed to immunoprecipitate methylated DNA (Methyl DNA IP). This kit allows you to perform DNA methylation analysis of your sample together with optimized
Metabolic Labeling of Prenyl and Carboxyl‐Methyl Groups
that are incorporated as prenoids??e.g., farnesyl and geranylgeranyl. Carboxy?methylation often accompanies prenylation. The methyl group can be labeled using [3 H?methyl]methionine.
Poly(Methyl Methacrylate) Nanoparticles As Vaccine Adjuvants
as adjuvants for vaccines. The most frequent method for the preparation of nanoparticles for this purpose was, and still is, emulsion polymerization. The polymers that can be employed for this process include poly(methyl methacrylate) (4 ,6 ), polyacrylamide
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