158504-51-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158504-51-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,5,0 and 4 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 158504-51:
(8*1)+(7*5)+(6*8)+(5*5)+(4*0)+(3*4)+(2*5)+(1*1)=139
139 % 10 = 9
So 158504-51-9 is a valid CAS Registry Number.
158504-51-9Relevant articles and documents
New derivatives of pyrroline N-oxides as spin traps
Arya, Prabhat
, p. 397 - 407 (2007/10/03)
Pyrroline-N-oxides containing maleimido (4), biotin (5a) and ether side chain (6 and 7) at the C-4 position have been synthesized starting from a common synthon (8).
