81677-08-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81677-08-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,6,7 and 7 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 81677-08:
(7*8)+(6*1)+(5*6)+(4*7)+(3*7)+(2*0)+(1*8)=149
149 % 10 = 9
So 81677-08-9 is a valid CAS Registry Number.
81677-08-9Relevant articles and documents
CONVERSION OF 3-AZIDO-5-PHENYL-1,2,4-OXADIAZOLE INTO BENZOYL CYANIDE; A NEW THERMAL FRAGMENTATION
Choi, P.,Rees, C.W.,Smith, E.H.
, p. 121 - 124 (2007/10/02)
Flash vacuum pyrolysis of 3-azido-5-phenyl-1,2,4-oxadiazole gives benzoyl cyanide for which a mechanism involving the formation and fragmentation of N-benzoylpentaazafulvene is proposed.