195133-63-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 195133-63-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,5,1,3 and 3 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 195133-63:
(8*1)+(7*9)+(6*5)+(5*1)+(4*3)+(3*3)+(2*6)+(1*3)=142
142 % 10 = 2
So 195133-63-2 is a valid CAS Registry Number.
195133-63-2Relevant articles and documents
Synthesis of 2,4-diaminoquinazoline derivatives
Zielinski, Wojciech,Kudelko, Agnieszka,Holt, Elizabeth M.
, p. 319 - 328 (1998)
A series of 6- and 7-substituted derivatives of 2-(N,N-diethylamino)-4-(N,N-dimethylamino)quinazoline have been synthesized. The synthesis consists in converting N-phenyl-N',N'-diethylurea into chloroamidines which are treated with N,N-dimethylcyanamide t
