The CAS Registry Mumber 93886-04-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,8,8 and 6 respectively; the second part has 2 digits, 0 and 4 respectively. Calculate Digit Verification of CAS Registry Number 93886-04: (7*9)+(6*3)+(5*8)+(4*8)+(3*6)+(2*0)+(1*4)=175 175 % 10 = 5 So 93886-04-5 is a valid CAS Registry Number.
Nitrogen Bridgehead Compounds; 43. Facile Synthesis of N-Substituted 6,7,8,9-Tetrahydro-4H-pyridopyrimidine-3-carboxamides
Balogh, Maria,Hermecz, Istvan,Meszaros, Zoltan
, p. 582 - 586 (2007/10/02)
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N-(3,5-dichloro-4-hydroxyphenyl)-6,7,8,9-tetrahydro-6-methyl-4-oxo-9-(
phenylmethylene)-, (E)-