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58936-18-8

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58936-18-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 58936-18-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,8,9,3 and 6 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 58936-18:
(7*5)+(6*8)+(5*9)+(4*3)+(3*6)+(2*1)+(1*8)=168
168 % 10 = 8
So 58936-18-8 is a valid CAS Registry Number.

58936-18-8Downstream Products

58936-18-8Relevant articles and documents

Synthesis of N-Hydroxymaleimide and N-Hydroxyitaconimide and their Related Derivatives

Akiyama, Masayasu,Shimizu, Kazuyuki,Aiba, Seiichi,Banba, Fumio

, p. 2122 - 2125 (2007/10/02)

Thermolysis of alkyl and aryl carbonates of N-hydroxy-3,6-epoxy-1,2,3,6-tetrahydrophthalimide yielded the corresponding alkyl or aryl N-maleimidyl carbonates.The benzyl or phenyl carbonate afforded N-hydroxymaleimide, either by treatment with trifluoroacetic acid or by refluxing in methanol.N-hydroxyitaconimide was obtained by dehydration of N-hydroxyitaconamic acid with dicyclohexylcarbodi-imide (DCC).The DCC dehydration of N-acetoxy- and N-benzyloxy-itaconamic acids produced iminofuranones, which could be rearranged to imides.Deacylation of N-acetoxymaleimide was unsuccessful, whereas aminolysis of N-acetoxyitaconimide yielded the N-hydroxyimide.

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