131070-44-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131070-44-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,0,7 and 0 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 131070-44:
(8*1)+(7*3)+(6*1)+(5*0)+(4*7)+(3*0)+(2*4)+(1*4)=75
75 % 10 = 5
So 131070-44-5 is a valid CAS Registry Number.
131070-44-5Relevant articles and documents
First representatives of porphyrinylnucleosides
Kus,Knerr,Czuchajowski
, p. 5133 - 5134 (2007/10/02)
5'-0-(5-p-Phenylene-10,15,20-tri-p-tolylporphyrin)uridine and similarly substituted(2',3'-0-isopropylidene)adenosine were obtained as first representatives of nucleosides containing covalently bonded porphyrin.