90402-29-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90402-29-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,4,0 and 2 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 90402-29:
(7*9)+(6*0)+(5*4)+(4*0)+(3*2)+(2*2)+(1*9)=102
102 % 10 = 2
So 90402-29-2 is a valid CAS Registry Number.
90402-29-2Relevant articles and documents
A CONVENIENT SYNTHESIS OF 2,4-DIAMINOQUINOLINE DERIVATIVES
Campbell, Simon F.,Hardstone, J. David,Palmer, Michael, J.
, p. 4813 - 4816 (1984)
Base or Lewis acid induced cyclisation of the o-amidinobenzonitriles (III) provides 2,4-diaminoquinoline derivatives (IV) in high yield.