1117954-66-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1117954-66-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,1,7,9,5 and 4 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1117954-66:
(9*1)+(8*1)+(7*1)+(6*7)+(5*9)+(4*5)+(3*4)+(2*6)+(1*6)=161
161 % 10 = 1
So 1117954-66-1 is a valid CAS Registry Number.
1117954-66-1Relevant articles and documents
ORGANIC COMPOUNDS
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Page/Page column 18, (2009/04/25)
The invention relates to compound of the formula (I), in which R1 represents an optionally substituted aryl group or an optionally substituted heteroaryl group; R2 represents hydrogen or a substituent different from hydrogen; R3