56973-22-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56973-22-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,9,7 and 3 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 56973-22:
(7*5)+(6*6)+(5*9)+(4*7)+(3*3)+(2*2)+(1*2)=159
159 % 10 = 9
So 56973-22-9 is a valid CAS Registry Number.
56973-22-9Relevant articles and documents
Synthesis of dichloromethylphosphonates
Majewski, Piotr,Koszuk, Jacek F.
experimental part, p. 956 - 962 (2009/12/03)
Efficient synthesis of O,O-dialkyl, O-alkyl-N,N-dialkylamido and N,N,N',N'-tetraalkyldiamido dichloromethylphosphonates via treatment of O,O-dialkyl, O-alkyl-N,N-dialkylamido, and N,N,N',N'-tetraalkyldiamido trichloromethylphosphonates with diethyl phosph
