75784-19-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75784-19-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,7,8 and 4 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 75784-19:
(7*7)+(6*5)+(5*7)+(4*8)+(3*4)+(2*1)+(1*9)=169
169 % 10 = 9
So 75784-19-9 is a valid CAS Registry Number.
75784-19-9Relevant articles and documents
Organic Phosphorus Compounds. XIII. Reaction of Vinylogous Chloromethylene Immonium Salts with Trialkyl Phosphites
Schneider, Peter,Fischer, Gerhard W.
, p. 229 - 236 (2007/10/02)
3-Chloropropenylidene immonium salts of the type Cl-CAr=CH-CH=NMe2+X- don't react like chloromethylene immonium salts Cl-CH=NMe2+X- with trialkyl phosphites according to the classical MICHAELIS-ARBUSOV principle