134306-87-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134306-87-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,3,0 and 6 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 134306-87:
(8*1)+(7*3)+(6*4)+(5*3)+(4*0)+(3*6)+(2*8)+(1*7)=109
109 % 10 = 9
So 134306-87-9 is a valid CAS Registry Number.
134306-87-9Relevant academic research and scientific papers
Reaction of 3,4,5,6,7,8-hexahydro-4-phenylquinazoline-2-thione with chloroacetic acid
Sharma, Rita,Kumar, Sudhir,Pujari, H K
, p. 425 - 426 (2007/10/02)
The title thione (I), prepared from 2-benzylidenecyclohexanone and thiourea, reacts with chloroacetic acid giving 6,7,8,9-tetrahydro-5H-5-phenylthiazoloquinazolin-3(2H)-one(II) which condenses with aromatic aldehydes to afford the arylidene derivat