57181-57-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57181-57-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,1,8 and 1 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 57181-57:
(7*5)+(6*7)+(5*1)+(4*8)+(3*1)+(2*5)+(1*7)=134
134 % 10 = 4
So 57181-57-4 is a valid CAS Registry Number.
57181-57-4Relevant academic research and scientific papers
2-Halopropionic acid and its derivatives
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, (2008/06/13)
Compounds of the formula: STR1 wherein R1 represents hydrogen, lower alkyl having 1 to 5 carbon atoms, halogen, hydroxyl, lower alkoxy having 1 to 4 carbon atoms or trifluoromethyl; R2 and R3 are the same or different and