100381-69-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100381-69-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,3,8 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 100381-69:
(8*1)+(7*0)+(6*0)+(5*3)+(4*8)+(3*1)+(2*6)+(1*9)=79
79 % 10 = 9
So 100381-69-9 is a valid CAS Registry Number.
100381-69-9Relevant articles and documents
A contribution to the synthesis of new cephalosporins: 1-Azacephem
Bizzo, Humberto R.,Antunes,Gemal, Andre L.
, p. 359 - 362 (2003)
The bycyclic β-lactam 1-benzyl-7-phtalimido-4-methyl-6-methylthio-2-oxo-3-cephem was prepared from N-phthaloyl glycine chloride and 1-benzyl-4-methyl-2-methylthio-6-oxo-pyrimidine in 61% yield via a Staudinger reaction.