111122-21-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111122-21-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,1,2 and 2 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 111122-21:
(8*1)+(7*1)+(6*1)+(5*1)+(4*2)+(3*2)+(2*2)+(1*1)=45
45 % 10 = 5
So 111122-21-5 is a valid CAS Registry Number.
111122-21-5Relevant articles and documents
On the Chemistry of 5-Amino-2-phenyl-1,2,3-thiadiazolium Salts
Gewald, K.,Calderon, O.,Hain, U.
, p. 741 - 749 (2007/10/02)
Treatment of the title compounds 1 with pyridine yield the phenylhydrazones of the 1,2,4-thiadiazol-3,5-diyl-glyoxylic acid derivatives 4.The amides 4a, b can also be obtained by reaction of the phenylhydrazono cyanacetoamides 3a ,b with sulphur in the pr
