109403-19-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109403-19-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,4,0 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 109403-19:
(8*1)+(7*0)+(6*9)+(5*4)+(4*0)+(3*3)+(2*1)+(1*9)=102
102 % 10 = 2
So 109403-19-2 is a valid CAS Registry Number.
109403-19-2Relevant articles and documents
Synthesis method for piperidine carboxylic acid amide drug intermediate piperidine-4-formyl-(2,6-dimethyl)aniline
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Paragraph 0019-0024; 0027; 0033, (2018/02/04)
The invention discloses a synthesis method for a piperidine carboxylic acid amide drug intermediate piperidine-4-formyl-(2,6-dimethyl)aniline; pyridine-4-formyl-(2,6-dimethyl)aniline is subjected to a reaction with gadolinium chloride in a mixed solution
