120711-43-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 120711-43-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,7,1 and 1 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 120711-43:
(8*1)+(7*2)+(6*0)+(5*7)+(4*1)+(3*1)+(2*4)+(1*3)=75
75 % 10 = 5
So 120711-43-5 is a valid CAS Registry Number.
120711-43-5Relevant articles and documents
The Use of a Phosphine Containing a Basic Group in the Mitsunobu Esterification Reaction
Camp, David,Jenkins, Ian D.
, p. 1835 - 1839 (2007/10/02)
Use of diphenyl(2-pyridyl)phosphine instead of triphenylphosphine in the Mitsunobu esterification reaction facilitates isolation of the desired ester.The resulting phosphine oxide is readily removed by a dilute acid wash. 31P n.m.r. investigations of the
