84485-00-7/S-011-1ML Sibutramine HCl/盐酸西布曲明标准溶液
1.0 mg/mL (as free base) in Methanol | Certified Reference Material/S-011-1ML
Sibutramine, a SNRI and anorectant, was marketed as a treatment for obesity until 2010 when it was removed from the market over concerns of potential adverse cardiovasc[……]
84485-00-7/S-011-1ML Sibutramine HCl/盐酸西布曲明标准溶液 Read More »
139755-83-2/S-010-1ML Sildenafil/西地那非标准溶液
1.0 mg/mL in Methanol | Certified Reference Material/S-010-1ML
Sildenafil is a treatment for erectile dysfunction and pulmonary arterial hypertension. Sold under the trade name Viagra, sildenafil has a history of abuse, including by athletes as a perfo[……]
139755-83-2/S-010-1ML Sildenafil/西地那非标准溶液 Read More »
H-107/H-107-1ML 1,25-Dihydroxyvitamin D3-13C3 (25,26,27-13C3)/ 1α，25-二羟基维生素D3-13C3 (25,26,27-13C3)标准溶液/1α，25-二羟基维生素D3碳标记同位素内标
5 µg/mL in Ethanol | Certified Reference Material
A stable-labeled internal standard suitable for quantitation of 1,25-Dihydroxyvitamin D3 levels by LC-MS/MS. 1,25-Dihy[……]
60133-18-8/H-090-1ML 1α,25-Dihydroxyvitamin D2/1α，25-二羟基维生素D2标准溶液
5 ug/mL in Ethanol | Certified Reference Material
Accurate preparation of a quantitative reference is highly critical for accurate assessment of patient Vitamin D levels. This Certified Spiking Solution® is suitable for critical[……]
60133-18-8/H-090-1ML 1α,25-Dihydroxyvitamin D2/1α，25-二羟基维生素D2标准溶液 Read More »
32222-06-3/H-089-1ML 1α,25-Dihydroxyvitamin D3/1α，25-二羟基维生素D3/1α，25-二羟基维生素D3标准溶液
5 µg/mL in Ethanol | Certified Reference Material
A Certified Spiking Solution® suitable for critical quantitative applications in research and clinical environments including: for use in preparation of controls a[……]
32222-06-3/H-089-1ML 1α,25-Dihydroxyvitamin D3/1α，25-二羟基维生素D3/1α，25-二羟基维生素D3标准溶液 Read More »
62-99-7/H-059-1ML 6β-Hydroxytestosterone/6β-羟基睾酮标准溶液
100 ug/mL in Methanol | Certified Reference Material
A Certified Spiking Solution® suitable for use as starting material in calibrators or controls for a variety of LC/MS or GC/MS applications from clinical and diagnostic testing to endocrin[……]
62-99-7/H-059-1ML 6β-Hydroxytestosterone/6β-羟基睾酮标准溶液 Read More »
CRM-NODR（批号20070214） 节球藻毒素R认证校准溶液
结节蛋白-R（NODR）是一种由淡水蓝藻产生的环状肽毒素[1]。结核藻毒素与家畜和野生动物中毒有关，并通过饮用水供应的污染对人类健康构成威胁。CRM-NODR是一种经过认证的仪器校准溶液，用于帮助分析员测定结节菌素-R。每个安瓿含有约0.5 mL溶解在甲醇水溶液（1:1，v/v）中的毒素溶液，其浓度适合于液相色谱实验的校准。
Nodularin-R 节球藻毒素R/节球藻毒素R认证校准溶液NODR
CAS registry no: 118399-22-7
Molecula[……]
NRC标准品CRM-NODR节球藻毒素R认证校准溶液效期更新 Read More »
CRM-NEO-d（批号：20170411） 新石房蛤毒素认证校准溶液
新石房蛤毒素（NEO）是造成麻痹性贝类中毒（PSP）事件的毒素之一[1]。CRM-NEO-d是一种经过认证的仪器校准解决方案，旨在帮助分析员确定近地天体。每个安瓿含有溶解在过滤的0.5mM盐酸（HCl）水溶液中的NEO溶液。这是CRM-NEO-c的替代校准解决方案。NRC标准品/新石房蛤毒素NEO
Neosaxitoxin 新石房蛤毒素
CAS registry no.: 64296-20-4 (free base)
Molecular formula: C1[……]
NRC标准品CRM-NEO-d新石房蛤毒素认证校准溶液批号更新 Read More »
脱氨甲酰基新石房蛤毒素校准溶液标准物质 预期用途
CRM-dcNEO-d是一种校准溶液CRM，专为dcNEO的分析方法开发和准确定量而设计。该浓度适合于制备用于校准仪器的稀释系列，例如通过柱后氧化荧光（LC-ox-FLD）或液相色谱-质谱（LC-MS）进行检测的液相色谱法。
CRM-dcNEO-d 储存和使用说明
为确保CRM-dcNEO-d的稳定性，安瓿应储存在冰箱（-12°C或以下）中。打开前，应将每个安瓿加热至室温，并将内容物充分混合。安瓿应在预先划线的位置打开。打开安瓿后，应使用校准的容量设备取出准确的等分试样，并将其转移到容量瓶或小瓶中。如果溶液打开超过几分钟，则会[……]
CRM-dcNEO-d脱氨甲酰基新石房蛤毒素校准溶液标准物质制备步骤 Read More »
脱氨甲酰基膝沟藻毒素2&3校准溶液标准物质 预期用途
CRM-dcGTX2&3-d是一种经过认证的校准溶液，旨在开发分析方法和准确定量dcGTX2＆3。该浓度适用于制备稀释系列，用于校准仪器，如通过柱前/柱后氧化荧光（LC-ox-FLD）或质谱（LC-MS）检测的液相色谱法，以及用于加标回收实验的对照样品。
CRM-dcGTX2&3-d脱氨甲酰基膝沟藻毒素2&3校准溶液标准物质使用说明
为了确保CRM-dcGTX2和3-d的稳定性，安瓿应储存在-12°C或以下。
需要注意的是，解决方案的体积未经认证。只有浓度是合格的。因此，安瓿内容物[……]
CRM-dcGTX2&3-d脱氨甲酰基膝沟藻毒素2&3校准溶液标准物质使用说明 Read More »