920748-24-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 920748-24-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,0,7,4 and 8 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 920748-24:
(8*9)+(7*2)+(6*0)+(5*7)+(4*4)+(3*8)+(2*2)+(1*4)=169
169 % 10 = 9
So 920748-24-9 is a valid CAS Registry Number.
920748-24-9Relevant academic research and scientific papers
PREPARATION OF TERAZOLE DERIVATIVES
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Page/Page column 35-36, (2010/11/25)
The invention relates to a process for the preparation of (S)-pyrrolidine-1H-tetrazole derivatives of formula (I), wherein R1, R2 and R3, independently of one another, represent hydrogen, halogen or an organic radical, in