139119-42-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139119-42-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,1,1 and 9 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 139119-42:
(8*1)+(7*3)+(6*9)+(5*1)+(4*1)+(3*9)+(2*4)+(1*2)=129
129 % 10 = 9
So 139119-42-9 is a valid CAS Registry Number.
139119-42-9Relevant articles and documents
Cycloaddition Elimination Reactions of 4-Aryl-5-arylimino-1,2,4-dithiazolidin-3-ones (Mustard Oil Oxides)
Tittelbach, Franz
, p. 579 - 592 (2007/10/02)
4-Aryl-5-arylimino-1,2,4-dithiazolidin-3-ones (1) react with isocyanates, isothiocyanates, and cyanic acid esters by exchange of the COS-part from 1 affording thiadiazole and dithiazole derivatives 4, 5, 6, or 12.The reaction products are able to give fur