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118673-20-4

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118673-20-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 118673-20-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,6,7 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 118673-20:
(8*1)+(7*1)+(6*8)+(5*6)+(4*7)+(3*3)+(2*2)+(1*0)=134
134 % 10 = 4
So 118673-20-4 is a valid CAS Registry Number.

118673-20-4Downstream Products

118673-20-4Relevant articles and documents

2-AZA-1,3-DIENES AS NOVEL PRECURSORS FOR THE SYNTHESIS OF N-UNSUBSTITUTED β-LACTAMS. A THREE STEP SYNTHESIS OF 4-ACETOXY-3-PHENOXY-2-AZETIDINONE

Georg, Gunda I.,Kant, Joydeep,He, Ping,Ly, Ana Maria,Lampe, Lynn

, p. 2409 - 2412 (2007/10/02)

2-Aza-1,3-dienes, prepared in excellent yields from aldehydes and readily available allylamine, were utilized to synthesize N-(1-propenyl)-β-lactams.Oxidative cleavage of the N-protecting group produced N-unsubstituted β-lactams. 4-Acetoxy-3-phenoxy-2-aze

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