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213115-14-1

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213115-14-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 213115-14-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,1,1 and 5 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 213115-14:
(8*2)+(7*1)+(6*3)+(5*1)+(4*1)+(3*5)+(2*1)+(1*4)=71
71 % 10 = 1
So 213115-14-1 is a valid CAS Registry Number.

213115-14-1Relevant articles and documents

Synthesis, structure elucidation and reactivity of novel azetidinone-oxiranes

Tomic, Mirjana,Kovacevic, Mice,Antolic, Snjezana,Kojic-Prodic, Biserka

, p. 211 - 224 (2007/10/03)

Oxidation of 2,3-cis-2-sulfonamide-N-butenoate-azetidinone 3 and 2,3-trans-2-acetoxy-N-butenoate-azetidinone 6 led to the formation of azetidinone-oxiranes 5 and 7. Molecular structure of 5, including its absolute configuration, was unambiguously determin

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