135347-87-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 135347-87-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,3,4 and 7 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 135347-87:
(8*1)+(7*3)+(6*5)+(5*3)+(4*4)+(3*7)+(2*8)+(1*7)=134
134 % 10 = 4
So 135347-87-4 is a valid CAS Registry Number.
135347-87-4Relevant articles and documents
PREPARATION OF SUBSTITUTED, ANNULATED BENZIMIDAZOLES VIA BENZYNE MEDIATED CYCLIZATION
Caroon, Joan M.,Fisher, Lawrence E.
, p. 459 - 467 (2007/10/02)
The synthesis of 1,2-annulated benzimidazoles via an internal benzyne cyclization is described.
