28294-58-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28294-58-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,2,9 and 4 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 28294-58:
(7*2)+(6*8)+(5*2)+(4*9)+(3*4)+(2*5)+(1*8)=138
138 % 10 = 8
So 28294-58-8 is a valid CAS Registry Number.
InChI:InChI=1/C23H38O3/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-20-17-18-22(24)21(19-20)23(25)26/h17-19,24H,2-16H2,1H3,(H,25,26)
28294-58-8Relevant articles and documents
Synthetic method of alkyl salicylic acid
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Paragraph 0025; 0026, (2017/08/28)
A synthetic method of alkyl salicylic acid comprises the following steps: brominated alkanes used as a raw material reacts with lithium metal in a solvent, namely ether to obtain lithium alkyl; the lithium alkyl reacts with cuprous iodide in ether to generate lithium dialkylcuprate; and the lithium dialkylcuprate and bromosalicylic acid are mixed and coupling is carried out to obtain alkyl salicylic acid.
