1343436-42-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1343436-42-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,4,3,4,3 and 6 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1343436-42:
(9*1)+(8*3)+(7*4)+(6*3)+(5*4)+(4*3)+(3*6)+(2*4)+(1*2)=139
139 % 10 = 9
So 1343436-42-9 is a valid CAS Registry Number.
1343436-42-9Relevant articles and documents
BICYCLIC COMPOUND
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Paragraph 1135; 1136, (2014/09/03)
The present invention provides a compound represented by the formula (I): wherein each symbol is as defined in the specification, or a salt thereof.