1267391-74-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1267391-74-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,7,3,9 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1267391-74:
(9*1)+(8*2)+(7*6)+(6*7)+(5*3)+(4*9)+(3*1)+(2*7)+(1*4)=181
181 % 10 = 1
So 1267391-74-1 is a valid CAS Registry Number.
1267391-74-1Relevant articles and documents
Synthesis and biological evaluation of 3-amino pyrazolones
Rajitha, Galla,Prasad,Bharathi, Koganti
experimental part, p. 684 - 686 (2011/12/22)
A series of 3-amino-4-(substituted benzylidene)-1H-pyrazol-5(4H)-ones were synthesized by condensation of ethyl-2-cyano-3-(substituted) phenylacrylates with hydrazine hydrate. The chemical structures of synthesized compounds were confirmed by means of IR,
