156776-69-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156776-69-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,7,7 and 6 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 156776-69:
(8*1)+(7*5)+(6*6)+(5*7)+(4*7)+(3*6)+(2*6)+(1*9)=181
181 % 10 = 1
So 156776-69-1 is a valid CAS Registry Number.
156776-69-1Relevant articles and documents
A new synthesis of N-alkoxy-2-ethoxyarylacetamides from N-alkoxy-N-chloroarylacetamides with triethylamine in ethanol
Kikugawa,Shimada,Kato,Sakamoto
, p. 2192 - 2194 (2007/10/02)
Treatment of N-alkoxy-N-chloroarylacetamides with triethylamine in ethanol results in removal of a chlorine atom and introduction of an ethoxy group at the C-2 position of arylacetamides in moderate yields.
