142842-61-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142842-61-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,8,4 and 2 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 142842-61:
(8*1)+(7*4)+(6*2)+(5*8)+(4*4)+(3*2)+(2*6)+(1*1)=123
123 % 10 = 3
So 142842-61-3 is a valid CAS Registry Number.
142842-61-3Relevant articles and documents
Ring-Fused 1,2-Dithioles, II. - Synthesis of Thieno-1,2-dithioles
Stachel, Hans-Dietrich,Schorp, Matthias,Zoukas, Thomas
, p. 1039 - 1044 (2007/10/02)
A series of thieno-1,3-dithiines 5 has been synthesized starting with β-thioxoester 4.The dithiines undergo oxidative ring contraction to the corresponding thieno-1,2-dithioles 6.Analogously, the dithiolo-dithiines 8 form the 1,2-dithiolo-1,2-dithioles (1
