52459-87-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52459-87-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,4,5 and 9 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 52459-87:
(7*5)+(6*2)+(5*4)+(4*5)+(3*9)+(2*8)+(1*7)=137
137 % 10 = 7
So 52459-87-7 is a valid CAS Registry Number.
52459-87-7Relevant articles and documents
Synthesis and Characterisation of the C30-De-ethylaetioporphyrin Present in Petroleum
Clewlow, Paul J.,Jackson, Anthony H.
, p. 1925 - 1936 (2007/10/02)
The four de-ethyl analogues of the relatively ubiquitous and biogenetically significant petroporphyrin aetioporphyrin III (3a-d) have been synthesized utilising the ac-biladiene route.A reversed-phase HPLC method of separating a mixture of the four synthe
