503819-24-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 503819-24-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,3,8,1 and 9 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 503819-24:
(8*5)+(7*0)+(6*3)+(5*8)+(4*1)+(3*9)+(2*2)+(1*4)=137
137 % 10 = 7
So 503819-24-7 is a valid CAS Registry Number.
503819-24-7Relevant articles and documents
Bisphosphine ligands containing two o-N,N-dimethylanilinyl substituents at each phosphorus atom
Jones, Nathan D.,Meessen, Patric,Smith, Martin B.,Losehand, Udo,Rettig, Steven J.,Patrick, Brian O.,James, Brian R.
, p. 1600 - 1606 (2002)
The synthesis and complete characterization of the family of tetra(amine)bisphosphine ligands (o-NMe2C6H4)2P-(X)-P(o- NMe2C6H4)2, where X = CH2 (dmapm), (CH