604000-41-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 604000-41-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,0,4,0,0 and 0 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 604000-41:
(8*6)+(7*0)+(6*4)+(5*0)+(4*0)+(3*0)+(2*4)+(1*1)=81
81 % 10 = 1
So 604000-41-1 is a valid CAS Registry Number.
604000-41-1Relevant articles and documents
Preparation method of phenyl crotonic acid ester compound
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Paragraph 0030; 0033-0034; 0056-0057, (2021/05/19)
The invention relates to the technical field of organic synthesis, in particular to a preparation method of a phenyl crotonate compound, the preparation method comprises the following steps: S1, carrying out Willgerodt-Kindler reaction on an acetophenone