74151-97-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74151-97-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,1,5 and 1 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 74151-97:
(7*7)+(6*4)+(5*1)+(4*5)+(3*1)+(2*9)+(1*7)=126
126 % 10 = 6
So 74151-97-6 is a valid CAS Registry Number.
74151-97-6Relevant articles and documents
THE SYNTHESIS OF 1,4-SELENATHIAFULVENES
Lakshmikantham, M. V.,Cava, Michael P.
, p. 271 - 275 (2007/10/02)
The first examples (18 and 19) of 1,4-selenathiafulvenes are described.These compounds were prepared by a Wittig-type synthesis from the appropriate aldehydes and 1,3-selenathiolyl phosphonium salts (9 and 11) in methanol, using KOH as the base.The same r