117954-58-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117954-58-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,9,5 and 4 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 117954-58:
(8*1)+(7*1)+(6*7)+(5*9)+(4*5)+(3*4)+(2*5)+(1*8)=152
152 % 10 = 2
So 117954-58-2 is a valid CAS Registry Number.
117954-58-2Relevant articles and documents
Synthesis of some Pyrrolobenzothiadiazonines
Cheeseman, G. W. H.,Varvounis, G.
, p. 431 - 435 (2007/10/02)
Four pyrrolobenzothiadiazonines, compounds 6, 10, 16, and 24, have been prepared from 1-substituted-2-thiocyanatopyrrole intermediates.