104994-74-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 104994-74-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,9,9 and 4 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 104994-74:
(8*1)+(7*0)+(6*4)+(5*9)+(4*9)+(3*4)+(2*7)+(1*4)=143
143 % 10 = 3
So 104994-74-3 is a valid CAS Registry Number.
104994-74-3Relevant academic research and scientific papers
Synthetic Elaboration of Diosphenols: Replacement of Hydroxyl by Halogen
Ponaras, Anthony A.,Zaim, Oemer
, p. 4741 - 4743 (2007/10/02)
Replacement of the enolic oxygen of diosphenols by chlorine or bromine may be achieved by treating the derived dimethylthiocarbamate with lithium chloride or bromide in hot acetonitrile/acetic acid.