102146-55-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102146-55-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,1,4 and 6 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 102146-55:
(8*1)+(7*0)+(6*2)+(5*1)+(4*4)+(3*6)+(2*5)+(1*5)=74
74 % 10 = 4
So 102146-55-4 is a valid CAS Registry Number.
102146-55-4Relevant articles and documents
SYNTHESIS OF CYANO DERIVATIVES WITH DIAZAQUATERPHENYL SKELETON
Marchalin, Stefan,Kuthan, Josef
, p. 1870 - 1877 (2007/10/02)
Cyclocondensation of 3-aryl-2-arylmethylene-3-oxopropanenitriles I with 4,4'-diacetylbiphenyl (II) in the presence of ammonium acetate gives para-substituted 4''-acetyl-3,5-diphenyl-2-aza-1:1',4':1''-terphenyls III and 4,4'''-dicyano-3,3''',5,5'''-tetraph