74103-31-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74103-31-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,1,0 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 74103-31:
(7*7)+(6*4)+(5*1)+(4*0)+(3*3)+(2*3)+(1*1)=94
94 % 10 = 4
So 74103-31-4 is a valid CAS Registry Number.
74103-31-4Relevant articles and documents
Two routes to (11,12)-dihydrodibenzo[c,g][1,2]dithiocine
Wyatt, Paul,Hudson, Andrew
, p. 1528 - 1530 (2007/10/03)
The title compound is made by two routes. One route features the separate introduction of two sulfur atoms and a double Pummerer reaction while the other route contains a direct introduction of both sulfur atoms using disulfur diimidazole.