140173-67-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 140173-67-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,1,7 and 3 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 140173-67:
(8*1)+(7*4)+(6*0)+(5*1)+(4*7)+(3*3)+(2*6)+(1*7)=97
97 % 10 = 7
So 140173-67-7 is a valid CAS Registry Number.
140173-67-7Relevant articles and documents
N-hydroxyaminomethylphosphonates: The reaction of hydroxylamines with aldehydes and secondary phosphites
Pastor,Ravichandran,Meuwly
, p. 2911 - 2918 (2007/10/02)
N-Alkyl-N-hydroxyaminomethylphosphonates are prepared by the reaction of N-monoalkyl-substituted hydroxylamines with formaldehyde and sec-phosphites.