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等级
certified reference material
pharmaceutical secondary standard
质量水平
CofA
current certificate can be downloaded
包装
pkg of 1 g
技术
HPLC: suitable
gas chromatography (GC): suitable
应用
pharmaceutical (small molecule)
包装形式
neat
储存温度
2-30°C
SMILES字符串
OC[C@H](O)C(=O)CO
InChI
1S/C4H8O4/c5-1-3(7)4(8)2-6/h3,5-7H,1-2H2/t3-/m0/s1
InChI key
UQPHVQVXLPRNCX-VKHMYHEASA-N
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一般描述
Erythrulose is generally used as a tanning agent in the cosmetics industry and is a source of chiral ethyl ketones used in aldol reaction organic synthesis. Red raspberries are a natural source of erythrulose. It is often used in combination of dihydroxyacetone to impart attractive tanning properties to the skin.
Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.
Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.
应用
These Secondary Standards are qualified as Certified Reference Materials. These are suitable for use in several analytical applications including but not limited to pharma release testing, pharma method development for qualitative and quantitative analyses, food and beverage quality control testing, and other calibration requirements.
分析说明
These secondary standards offer multi-traceability to the USP, EP and BP primary standards, where they are available.
其他说明
This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.
附注
To see an example of a Certificate of Analysis for this material enter LRAA3001 in the Documents slot below. This is an example certificate only and may not be the lot that you receive.
储存分类代码
11 - Combustible Solids
WGK
WGK 3
闪点(°F)
230.0 °F - closed cup
闪点(°C)
110 °C - closed cup
法规信息
监管及禁止进口产品
Marion Trassaert et al.
Microbial cell factories, 16(1), 141-141 (2017-08-16)
The oleaginous yeast Yarrowia lipolytica is increasingly used as alternative cell factory for the production of recombinant proteins. At present, several promoters with different strengths have been developed based either on the constitutive pTEF promoter or on oleic acid inducible
Xia Hua et al.
Biotechnology for biofuels, 13, 1-1 (2020-01-09)
The critical issue in the competitiveness between bioengineering and chemical engineering is the products titer and the volume productivity. The most direct and effective approach usually employs high-density biocatalyst, while the weakened mass transfer and evoked foam problem accompany ultrahigh-density
Chrispian W Theron et al.
Scientific reports, 10(1), 1741-1741 (2020-02-06)
The large-scale production of recombinant proteins (rProt) is becoming increasingly economically important. Among the different hosts used for rProt production, yeasts are gaining popularity. The so-called non-conventional yeasts, such as the methylotrophic Pichia pastoris and the dimorphic Yarrowia lipolytica, are
A review of common tanning methods
Garone M, et al.
The Journal of Clinical and Aesthetic Dermatology, 8(2), 43-43 (2015)
Henry C Wilkinson et al.
Scientific reports, 10(1), 4148-4148 (2020-03-07)
We recently characterised a low-activity form of E. coli transketolase, TKlow, which also binds the cofactor thiamine pyrophosphate (TPP) with an affinity up to two-orders of magnitude lower than the previously known high TPP-affinity and high-activity form, TKhigh, in the
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