200711-26-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 200711-26-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,7,1 and 1 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 200711-26:
(8*2)+(7*0)+(6*0)+(5*7)+(4*1)+(3*1)+(2*2)+(1*6)=68
68 % 10 = 8
So 200711-26-8 is a valid CAS Registry Number.
200711-26-8Relevant articles and documents
Reactions of 1,2,3-dithiazoles with halogenated malononitriles
Christoforou, Irene C.,Koutentis, Panayiotis A.,Rees, Charles W.
, p. 1236 - 1241 (2002)
Dibromomalononitrile 3a reacts with 4-chloro-1,2,3-dithiazole-5-thione 9 and monobromomalononitrile 3c reacts with 4,5-dichloro-1,2,3-dithiazolium chloride 4 (Appel salt) to give 4-chloro-5H-1,2,3-dithiazole-5-ylidenemalononitrile 1 in 76 and 73% yields,
