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104127-39-1

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104127-39-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 104127-39-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,1,2 and 7 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 104127-39:
(8*1)+(7*0)+(6*4)+(5*1)+(4*2)+(3*7)+(2*3)+(1*9)=81
81 % 10 = 1
So 104127-39-1 is a valid CAS Registry Number.

104127-39-1Downstream Products

104127-39-1Relevant articles and documents

Photolytic reaction of chromium and molybdenum carbene complexes with imines. Synthesis of cepham, oxapenam, and oxacepham derivatives

Hegedus, Louis S.,Schultze, Lisa M.,Toro, Jose,Yijun, Chen

, p. 5833 - 5838 (2007/10/02)

A variety of substituted β-lactams, including a cepham analog, were synthesized by the photochemical reaction of [(methoxy)(methyl)carbene]chromium complexes with substituted imines. Oxazines and oxazolines were inert towards chromium carbene complexes. Oxazines were converted to bicyclic β-lactams by the photolytic reaction of molybdenum carbene complexes. Oxazolines were considerably less reactive and produced only low yields of β-lactam product and an equivalent amount of the corresponding oxazinone, incorporating two (MeO)(Me)C(CO) groups.

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