1016169-33-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1016169-33-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,6,1,6 and 9 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1016169-33:
(9*1)+(8*0)+(7*1)+(6*6)+(5*1)+(4*6)+(3*9)+(2*3)+(1*3)=117
117 % 10 = 7
So 1016169-33-7 is a valid CAS Registry Number.
1016169-33-7Relevant articles and documents
Synthesis of 1,3,4-Trisubstituted and 1,3,4,5-Tetrasubstituted Pyrazoles
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Page/Page column 8; 14, (2009/04/24)
This invention concerns the synthesis of highly substituted pyrazoles, which are structural components of pharmacological compounds, through reaction of hydrazones with nitroolefins.