100818-55-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100818-55-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,8,1 and 8 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 100818-55:
(8*1)+(7*0)+(6*0)+(5*8)+(4*1)+(3*8)+(2*5)+(1*5)=91
91 % 10 = 1
So 100818-55-1 is a valid CAS Registry Number.
100818-55-1Relevant articles and documents
FLUOROPYRROLES AND TETRAFLUOROPORPHYRINS
Onda, Hiroyuki,Toi, Hiroo,Aoyama, Yasuhiro,Ogoshi, Hisanobu
, p. 4221 - 4224 (2007/10/02)
Photolysis of pyrrole-β-diazonium tetrafluoroborates gave β-fluoropyrroles.These were further converted to 1,3,5,7-tetrafluoroporphyrins, the first example of ring-fluorinated porphyrin derivatives.