Cas 114953-33-2,t-butyl 7β-(benzyloxycarbonylamino)-7α-formamidocephalosporanate

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Check Digit Verification of cas no

The CAS Registry Mumber 114953-33-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,4,9,5 and 3 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 114953-33:
(8*1)+(7*1)+(6*4)+(5*9)+(4*5)+(3*3)+(2*3)+(1*3)=122
122 % 10 = 2
So 114953-33-2 is a valid CAS Registry Number.

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114953-33-2Relevant academic research and scientific papers

Preparation and Properties of 7α-Formamido Cephalosporins

Guest, Angela W.,Branch, Clive L.,Finch, Stephen C.,Kaura, Arun C.,Milner, Peter H.,et al.

, p. 45 - 56 (2007/10/02)

The preparation of novel antibacterially active 7α-formamido cephalosporins from the corresponding 7α-(methylthio) analogues by mercury(II)-mediated displacement with ammonia and subsequent formylation is described.The amine (2), a versatile intermediate,

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