73956-67-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73956-67-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,9,5 and 6 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 73956-67:
(7*7)+(6*3)+(5*9)+(4*5)+(3*6)+(2*6)+(1*7)=169
169 % 10 = 9
So 73956-67-9 is a valid CAS Registry Number.
73956-67-9Relevant academic research and scientific papers
CONDENSATION OF ETHYL AND METHYL 4-(TRIPHENYLPHOSPHORANYLIDENE)-3-OXOBUTANOATE WITH ENALS
Moorhoff, Cornelis M.,Schneider, David F.
, p. 4721 - 4724 (2007/10/02)
The manipulation of the mode of reaction of 4-(phosphoranylidene)-3-oxobutanoates with enals and a resulting new synthesis of ethyl β-safranate have been explored.
