170456-59-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 170456-59-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,0,4,5 and 6 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 170456-59:
(8*1)+(7*7)+(6*0)+(5*4)+(4*5)+(3*6)+(2*5)+(1*9)=134
134 % 10 = 4
So 170456-59-4 is a valid CAS Registry Number.
170456-59-4Relevant articles and documents
Synthesis of 5-methanesulfonamido-6-(2,4-difluorophenylthio)-1-indanone
Scheigetz,Zamboni,Roy
, p. 2791 - 2806 (1995)
The ethylene ketal of 5-nitro-6-bromo-1-indanone 6 was prepared via oxidation of N-(6-Bromo-5-indanyl)-acetamide 1. A subsequent mild displacement and elaboration to 6-thiosubstituted-5-amino indanone derivative 10 is also described.