90848-81-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90848-81-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,8,4 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 90848-81:
(7*9)+(6*0)+(5*8)+(4*4)+(3*8)+(2*8)+(1*1)=160
160 % 10 = 0
So 90848-81-0 is a valid CAS Registry Number.
90848-81-0Relevant articles and documents
Synthesis and Biological Activity of Substituted oxy>acetic Acids. A New Class of Heteroatom-Activated β-Lactam Antibiotics
Woulfe, Steven R.,Miller, Marvin J.
, p. 1447 - 1453 (2007/10/02)
The synthesis of substituted oxy>acetic acids (1) is described. 3--N-hydroxy-2-azetidinones (13a, b), prepared from serine and threonine, were alkylated with 2-(trimethylsilyl)ethyl bromoacetate