71813-71-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71813-71-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,8,1 and 3 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 71813-71:
(7*7)+(6*1)+(5*8)+(4*1)+(3*3)+(2*7)+(1*1)=123
123 % 10 = 3
So 71813-71-3 is a valid CAS Registry Number.
71813-71-3Relevant academic research and scientific papers
THIENO[3,2-c]PYRIDINES
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, (2008/06/13)
This invention provides compounds of formula I STR1 wherein R 1 is(I) HYDROGEN OR ALKYL OF 1 TO 4 CARBON ATOMS, OR (II) CHLORINE OR BROMINE, IN THE 2, 3 OR 7 POSITION, OR(III) FLUORINE, CYANO OR COOB, wherein B is alkyl of 1 to 4 carbo
