123277-92-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123277-92-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,2,7 and 7 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 123277-92:
(8*1)+(7*2)+(6*3)+(5*2)+(4*7)+(3*7)+(2*9)+(1*2)=119
119 % 10 = 9
So 123277-92-9 is a valid CAS Registry Number.
123277-92-9Relevant articles and documents
Reaction of pummerer rearrangement intermediate with thiols: New synthetic method of S,S-thioacetals of formylphosphonate
Taek Hyeon Kim,Dong Young Oh
, p. 2313 - 2318 (2007/10/02)
Pummerer rearrangement reaction intermediate(2) of phenylsulfinyl methanephosphonate(1) has been found to react mildly with thiols(3) in the presence of stannic chloride to provide S,S-thioacetals of formylphosphonate(4).
