432049-39-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 432049-39-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,2,0,4 and 9 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 432049-39:
(8*4)+(7*3)+(6*2)+(5*0)+(4*4)+(3*9)+(2*3)+(1*9)=123
123 % 10 = 3
So 432049-39-3 is a valid CAS Registry Number.
432049-39-3Relevant articles and documents
Naphthalene derivatives
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, (2008/06/13)
The present invention relates to novel naphthalene derivatives of formula (I), wherein R1, R2, R3 and X are as defined in the description, and preparation thereof. The compounds of formula (I) are useful as pharmaceuticals.