75193-00-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75193-00-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,1,9 and 3 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 75193-00:
(7*7)+(6*5)+(5*1)+(4*9)+(3*3)+(2*0)+(1*0)=129
129 % 10 = 9
So 75193-00-9 is a valid CAS Registry Number.
75193-00-9Relevant articles and documents
REACTION DES TOSYLHYDRAZONES-COBALT(III)PORPHYRINES; SYNTHESE D'α-STYRYLCOBALT(III)PORPHYRINES
Callot, H.J.,Schaeffer, E.
, p. 111 - 116 (2007/10/02)
The reactions of tosylhydrazones of aryl alkyl ketones with halocobalt(III)porphyrins give high yields of α-styrylcobalt(III)porphyrins.