17402-91-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17402-91-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,4,0 and 2 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 17402-91:
(7*1)+(6*7)+(5*4)+(4*0)+(3*2)+(2*9)+(1*1)=94
94 % 10 = 4
So 17402-91-4 is a valid CAS Registry Number.
17402-91-4Relevant academic research and scientific papers
Preparation method of 7-piperazinyl benzothiophene or salt thereof
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, (2020/05/14)
The invention discloses a preparation method of 7-piperazinyl benzothiophene or salt thereof, comprising the following steps: (1) carrying out substitution ring closing reaction on a compound 3 and acompound 4 to obtain a compound 5; (2) carrying out hydr
