43229-69-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 43229-69-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,3,2,2 and 9 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 43229-69:
(7*4)+(6*3)+(5*2)+(4*2)+(3*9)+(2*6)+(1*9)=112
112 % 10 = 2
So 43229-69-2 is a valid CAS Registry Number.
43229-69-2Relevant academic research and scientific papers
Formoterol, pharmaceutically acceptable salt thereof and preparation method of intermediate
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, (2019/04/10)
The invention relates to formoterol, a pharmaceutically acceptable salt thereof and a preparation method of an intermediate. The method for purifying the formoterol intermediate (a compound shown as aformula V) comprises the following steps of: I) perform