49638-99-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 49638-99-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,9,6,3 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 49638-99:
(7*4)+(6*9)+(5*6)+(4*3)+(3*8)+(2*9)+(1*9)=175
175 % 10 = 5
So 49638-99-5 is a valid CAS Registry Number.
49638-99-5Relevant academic research and scientific papers
Oddon,Uguen
, p. 4407 - 4410 (1997)
Treatment by sulfuryl chloride of the bis-O-TES derivative of a γ,ε-bis-hydroxy phenylsulfoxide resulted in the selective formation of the corresponding γ-chloro-ε-hydroxy phenylsulfone.
