推荐产品
质量
Arxada quality
制造商/商品名称
Arxada AG
浓度
98.50-101.00 % (w/w) (HPLC)
杂质
≤0.5 % (w/w) water (Karl Fischer)
mp
>300 °C (lit.)
SMILES字符串
OC1=C(O)C(=O)C1=O
InChI
1S/C4H2O4/c5-1-2(6)4(8)3(1)7/h5-6H
InChI key
PWEBUXCTKOWPCW-UHFFFAOYSA-N
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警示用语：
Danger
危险声明
危险分类
Eye Dam. 1 - Skin Corr. 1B
储存分类代码
8A - Combustible corrosive hazardous materials
WGK
WGK 3
闪点(°F)
374.0 °F
闪点(°C)
190 °C
个人防护装备
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
法规信息
新产品
Carsten Dingels et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 18(52), 16828-16835 (2012-11-09)
The covalent attachment of poly(ethylene glycol) (PEG) to therapeutically active proteins (PEGylation) has become an important method to deal with the pharmacological difficulties of these polypeptides, such as short body-residence times and immunogenicity. However, the derivatives of PEG used for
Dawei Cui et al.
Chemical communications (Cambridge, England), 47(4), 1348-1350 (2010-11-18)
We report a class of water-soluble and -stable cyclic amino squarates that ligate with cysteine or lysine residues without side-products in an entirely aqueous environment. The ligations include addition-elimination reactions that are promoted by water in a way similar to
Carlos E Silva et al.
The journal of physical chemistry. A, 114(37), 10097-10109 (2010-08-26)
This work presents the crystal structure and the investigation under a supramolecular perspective of a squaric acid derivative obtained from the replacement of the hydroxyl groups by anilines. The squaraine obtained (1,2-dianilinesquaraine) crystallizes in the Pbcn space group, in a
Clare E Rowland et al.
Inorganic chemistry, 49(19), 8668-8673 (2010-03-13)
Two uranyl squarates, (UO(2))(6)(C(4)O(4))(3)(OH)(6)O(2)·9H(2)O·4NH(4) (1; a = 16.6897(7) Å, cubic, I23) and (UO(2))(C(4)O(4))(OH)(2)·2NH(4) (2; a = 8.5151(4), b = 15.6822(8), c = 7.3974, orthorhombic, Pbcm), have been synthesized from ambient aqueous solutions as a function of pH. Oligomerization of the
Wen Yang et al.
Organic letters, 15(6), 1190-1193 (2013-03-08)
An efficient asymmetric cascade sulfa-Michael/Michael addition reaction catalyzed by a chiral bifunctional squaramide-tertiary amine catalyst has been developed. This organocatalytic cascade reaction provides easy access to highly functionalized chromans with three contiguous stereocenters, including one quaternary center. In addition, a
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