29640-92-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 29640-92-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,9,6,4 and 0 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 29640-92:
(7*2)+(6*9)+(5*6)+(4*4)+(3*0)+(2*9)+(1*2)=134
134 % 10 = 4
So 29640-92-4 is a valid CAS Registry Number.
29640-92-4Relevant articles and documents
Synthetic method of poly-substituted dimethyl amino phenyl acetic acid compound
-
Paragraph 0046-0049; 0116-0119, (2021/03/05)
The invention relates to a synthesis method of a poly-substituted dimethyl amino phenyl acetic acid compound. The synthesis method comprises the following steps: carrying out methyl esterification reaction on a compound shown in a formula I to obtain a co