107699-56-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 107699-56-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,6,9 and 9 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 107699-56:
(8*1)+(7*0)+(6*7)+(5*6)+(4*9)+(3*9)+(2*5)+(1*6)=159
159 % 10 = 9
So 107699-56-9 is a valid CAS Registry Number.
107699-56-9Relevant articles and documents
SYNTHESE DE N-(TETRAZOL-5-YL) AZETIDIN-2-ONES
Klich, Michel,Teutsch, Georges
, p. 2677 - 2684 (2007/10/02)
N-(tetrazol-5-yl) azetidin-2-ones can be conveniently prepared by reacting N-unsubstituted beta-lactams with 1-benzyl 5-fluoro 1H-tetrazole
