111505-98-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111505-98-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,5,0 and 5 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 111505-98:
(8*1)+(7*1)+(6*1)+(5*5)+(4*0)+(3*5)+(2*9)+(1*8)=87
87 % 10 = 7
So 111505-98-7 is a valid CAS Registry Number.
111505-98-7Relevant articles and documents
PALLADIUM CATALYZED STEREOSPECIFIC MICHAEL ARYLATION OF 6-ALKYL-5,6-DIHYDRO-2H-PYRAN-2-ONES
Stokker, Gerald E.
, p. 3179 - 3182 (2007/10/02)
The Michael arylation of 6--5,6-dihydro-2H-pyran-2-one with aryl iodides in the presence of Pd resulted in a stereospecific addition followed by a hydrogen abstraction from triethylamine.