180977-31-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 180977-31-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,0,9,7 and 7 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 180977-31:
(8*1)+(7*8)+(6*0)+(5*9)+(4*7)+(3*7)+(2*3)+(1*1)=165
165 % 10 = 5
So 180977-31-5 is a valid CAS Registry Number.
180977-31-5Relevant articles and documents
Intramolecular staudinger ligation towards biaryl-containing lactams
Masson, Geraldine,Den Hartog, Tim,Schoemaker, Hans E.,Hiemstra, Henk,Van Maarseveen, Jan H.
, p. 865 - 868 (2007/10/03)
Both 15- and 16-membered biaryl-type lactams were prepared in good yield using the intramolecular Staudinger ligation strategy. Georg Thieme Verlag Stuttgart.
