26767-04-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26767-04-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,7,6 and 7 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 26767-04:
(7*2)+(6*6)+(5*7)+(4*6)+(3*7)+(2*0)+(1*4)=134
134 % 10 = 4
So 26767-04-4 is a valid CAS Registry Number.
26767-04-4Relevant articles and documents
Novel synthesis method of benzene ring polysubstituted compound based on benzoyl formic acid
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Paragraph 0027-0033; 0076-0082, (2020/05/30)
The invention relates to a novel synthesis method of a benzene ring polysubstituted compound based on benzoyl formic acid. According to the synthesis method, an acetophenone-based benzene ring polysubstituted compound is used as a raw material, a specific