155689-27-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 155689-27-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,6,8 and 9 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 155689-27:
(8*1)+(7*5)+(6*5)+(5*6)+(4*8)+(3*9)+(2*2)+(1*7)=173
173 % 10 = 3
So 155689-27-3 is a valid CAS Registry Number.
155689-27-3Relevant articles and documents
Reaction of 1-chloroperfluorocycloalkene derivatives with nucleophiles
Jung, Ji-Hun,Jeong, Yeon-Tae,Choi, Sam-Kwon
, p. 39 - 46 (1994)
1-Acetyl-2-chloroperfluorocycloalkenes and 1-benzoyl-2-chloroperfluorocycloalkenes have been prepared by the coupling of 2-chloroperfluorocycloalkenyl copper reagent with acetyl chloride and benzoyl chloride, respectively.Similarly, 1-chloro-2-(p-nitrophe
