131920-91-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131920-91-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,9,2 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 131920-91:
(8*1)+(7*3)+(6*1)+(5*9)+(4*2)+(3*0)+(2*9)+(1*1)=107
107 % 10 = 7
So 131920-91-7 is a valid CAS Registry Number.
131920-91-7Relevant academic research and scientific papers
Aromatase inhibiting 4(5)-imidazoles
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, (2008/06/13)
Novel imidazole derivatives of the formula wherein R1, R2, R?1 and R?2, which can be the same or different, are H, CH3, C2H5, C3H7, OCH3, OH, CH
