161153-99-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 161153-99-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,1,5 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 161153-99:
(8*1)+(7*6)+(6*1)+(5*1)+(4*5)+(3*3)+(2*9)+(1*9)=117
117 % 10 = 7
So 161153-99-7 is a valid CAS Registry Number.
161153-99-7Relevant articles and documents
Novel Pyranopyridine Derivatives from an Enaminone
Loewe, Werner,Braun, Beate,Mueller, Baerbel
, p. 1577 - 1582 (2007/10/02)
The pyranopyridine derivatives 2 and 15B were synthesized from enaminone 1 and hydroxylamine in the presence of 2N and 1N aqueous sodium hydroxide solutions, and consecutive reactions with these compounds are described.