19197-31-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19197-31-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,1,9 and 7 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 19197-31:
(7*1)+(6*9)+(5*1)+(4*9)+(3*7)+(2*3)+(1*1)=130
130 % 10 = 0
So 19197-31-0 is a valid CAS Registry Number.
19197-31-0Relevant articles and documents
Synthesis of aminophosphonates with a primary amino group
Gavrilov
, p. 1708 - 1711 (2007/10/03)
Mono- and dinitro-substituted aromatic Shiff bases were reacted with diisopropyl hydrogen phosphite in the presence of the boron trifluoride-ether complex to obtain the corresponding α-aminophosphonates. Reduction of the nitro groups in the resulting phos