107668-55-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 107668-55-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,6,6 and 8 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 107668-55:
(8*1)+(7*0)+(6*7)+(5*6)+(4*6)+(3*8)+(2*5)+(1*5)=143
143 % 10 = 3
So 107668-55-3 is a valid CAS Registry Number.
107668-55-3Relevant articles and documents
2-SELENACEPHEMS AND 1-DETHIA-1-SELENAPENEMS
Alpegiani, Marco,Bedeschi, Angelo,Perrone, Ettore,Franceschi, Giovanni
, p. 3041 - 3044 (1986)
The first selena nuclear analogues of β-lactam antibiotics have been synthesized and compared with their sulphur counterparts.