77423-10-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77423-10-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,4,2 and 3 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 77423-10:
(7*7)+(6*7)+(5*4)+(4*2)+(3*3)+(2*1)+(1*0)=130
130 % 10 = 0
So 77423-10-0 is a valid CAS Registry Number.
77423-10-0Relevant articles and documents
REACTIONS OF 2-METHYLPYRAZOLOQUINAZOLIN-9-ONE DERIVATIVES
Hahn, Witold E.,Osinski, Janusz
, p. 411 - 424 (2007/10/02)
The directions of reactions of the titlie compounds (1) with formaldehyde and amines (secondary and primary) and with aromatic aldehydes, have been studied.It has been found that hydrogen atom substitution in position 3 is favorized.As a result of peracet
