161226-41-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 161226-41-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,2,2 and 6 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 161226-41:
(8*1)+(7*6)+(6*1)+(5*2)+(4*2)+(3*6)+(2*4)+(1*1)=101
101 % 10 = 1
So 161226-41-1 is a valid CAS Registry Number.
161226-41-1Relevant articles and documents
REACTION OF PERI-ACYLOXYNAPHTHYL BROMOMETHYL KETONES WITH O- AND N-CONTAINING NUCLEOPHILES
Minyaeva, L.G.,Golyanskaya, O.M.,Mezheritskii, V.V.
, p. 270 - 272 (2007/10/02)
Peri-acyloxynaphthyl bromomethyl ketones are converted into naphthopyran-3-ones by the action of aliphatic amines and into naphthofuran-2-one when heated in pyridine.In reaction with aromatic amines or sodium acetate they substitute the bromine by
