108563-78-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 108563-78-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,5,6 and 3 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 108563-78:
(8*1)+(7*0)+(6*8)+(5*5)+(4*6)+(3*3)+(2*7)+(1*8)=136
136 % 10 = 6
So 108563-78-6 is a valid CAS Registry Number.
108563-78-6Relevant articles and documents
REACTION OF PYRIDAZINE N-OXIDES WITH PYRIDINES: FORMATION OF THE FIRST EXAMPLES OF PYRIDO-OXEPINS
Kurita, Jyoji,Kakusawa, Naoki,Yasuike, Shuji,Tsuchiya, Takashi
, p. 1937 - 1940 (2007/10/02)
Reaction of pyridazine N-oxides (3) with pyridines and quinolynes (2) gave the corresponding novel fuly unsaturated pyrido-oxepins (4-6) and quino-oxepins (13-15) via the cycloadducts (11).