1192872-05-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1192872-05-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,2,8,7 and 2 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1192872-05:
(9*1)+(8*1)+(7*9)+(6*2)+(5*8)+(4*7)+(3*2)+(2*0)+(1*5)=171
171 % 10 = 1
So 1192872-05-1 is a valid CAS Registry Number.
1192872-05-1Relevant articles and documents
6-Azahemiporphycene: A new member of the porphyrinoid family
, p. 10346 - 10357 (2009)
The reaction of 5,10,15-triarylcorrole with 4-amino-4H-1,2,4-triazole provides another example of corroie ring expansion to give the corresponding 6-azahemiporphycene, a novel porphyrin analogue. The facile oxidation of the corroie ring is a required step