Inchikey
Web鄰甲酚酞(英語: o-Cresolphthalein )是酸鹼指示劑,分子式為C 22 H 18 O 4 。 它不溶於水,但溶於乙醇。 其溶液在pH值8.2以下為無色,在9.8以上為紫色。它在醫學上用於測定人體內的鈣含量,或用於合成聚酰胺或聚酰亞胺。. 參考資料 WebPropan. Na podstawie Rozporządzenia CLP, zał. VI [7] Na podstawie Rozporządzenia CLP, zał. VI [7] 8 – organiczny związek chemiczny z grupy alkanów, bezbarwny i bezwonny gaz. Ma większą gęstość od powietrza . Propan jest nierozpuszczalny w wodzie, rozpuszcza się w etanolu i eterze dietylowym. Występuje w niewielkich ilościach w ...
Inchikey
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WebApr 15, 2001 · inchikey = wfdijrymoxrffg-uhfffaoysa-n (useful for the acetylation of alcohols, 2 amines, 3 and thiols, 4 oxidation of alcohols, 5 dehydration, 6 Pummerer 7 reaction, … WebJan 24, 2024 · InChIKey Identifier: QIVBCDIJIAJPQS-FKOBDKTLDJ CAS Number: 73-22-3 MDL Number: MFCD00064340 Melting point: 280-285 °C Solubility in water: 11,4 g/L (20 °C); pKa - 2,83; pKb - 9,39 IR and H1 NMR spectrum: n/a MSDS (Material Safety Data Sheet): n/a 2D Molfile: Get the molfile 3D PDB file: Get the PDB file
WebFeb 1, 2024 · The InChI and InChIKey have become essential tools for scientists worldwide, providing a new Common Language for Chemistry. The power of these tools allows … WebInChIKey is a fixed-length format directly derived from InChI. It is based on a strong hash (SHA-256 algorithm) of an InChI string. Because of the hash nature of the InChIKey, there …
WebDec 20, 2012 · InChIKey is a 27-character compacted (hashed) version of InChI which is intended for Internet and database searching/indexing and is based on an SHA-256 hash of the InChI character string. The first block of InChIKey encodes molecular skeleton while the second block represents various kinds of isomerism (stereo, tautomeric, etc.). WebJul 4, 2015 · The InChIKey is a character signature based on a hash code of the InChI string. A hash code is a fixed length condensed digital representation of a variable length …
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WebMay 30, 2015 · InChIKey is an encoded version of the hash codes calculated from a source InChI string, elaborated with convenience “flag symbols”. Hashing is a one-way … how many bodybuilders died in 2021WebAug 11, 2024 · The hash function generates a standard key of 27 characters that stores information in four parts (see figure 5). The InChIKey may be a standard or nonstandard … high pressure hand held showerWebAs reported variously last month (see here for one such review) IUPAC have now released a new (1.02beta) version of their software which allows hashed versions (fixed length 25-character) of the InChI, so-called InChIKey’s, to be generated which are much more search engine friendly. Compare a regular InChI identifier: InChI=1/C49H70N14O11/c1 ... high pressure handheld hand shower 2.5 gpmWebInChIKey: QJZUKDFHGGYHMC-UHFFFAOYSA-N CAS 数据库: 500-22-1(CAS DataBase Reference) NIST化学物质信息: 3-Pyridinecarboxaldehyde(500-22-1) EPA化学物质信息: 3-Pyridinecarboxaldehyde (500-22-1) high pressure handheld shower head kitWebInChIKey - InChIKey is a condensed version of the InChI string of a chemical substance, developed under the auspices of IUPAC (International Union of Pure and Applied … how many bodybuilders take steroidsWebInChIKey checker. The last character of an InChIKey is computed from the rest of the InChIKey and can be used to determine if the key wasn’t unintentionally changed during transmission. Using our online service, you can easily check if an InChIKey is valid – the last character matches the rest of the key. Enter your InChIKey below: high pressure gutter flusherWebA few programs support SMILES. Molfile is a format supported by most chemical packages. CML is supported by several chemical programs, but is far less common than Molfile. For every molecule only one InChIKey is valid, however two molecules may have the same InChIKey – more details here. InChIKey is fixed length (27 characters). how many body systems are there in humans