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180713-44-4

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180713-44-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 180713-44-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,0,7,1 and 3 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 180713-44:
(8*1)+(7*8)+(6*0)+(5*7)+(4*1)+(3*3)+(2*4)+(1*4)=124
124 % 10 = 4
So 180713-44-4 is a valid CAS Registry Number.

180713-44-4Relevant articles and documents

Developments of enediyne model compounds generating biradicals with an enhanced radical character - Regulation of triggering devices

Suzuki, Ichiro,Shigenaga, Akira,Nemoto, Hisao,Shibuya, Masayuki

, p. 503 - 519 (2007/10/03)

Development of enediyne model compounds generating biradicals with an enhanced radical character is described. These model compounds generate enyne-allenes under mild acidic conditions and the resulting biradicals showed potent DNA cleaving abilities.

Twisted amides as selective acylating agents for hydroxyl groups under neutral conditions: Models for activated peptides during enzymatic acyl transfer reaction

Yamada, Shinji,Sugaki, Takayuki,Matsuzaki, Kazuhiro

, p. 5932 - 5938 (2007/10/03)

The highly twisted amide 2 served as a selective acylating agent for diols under neutral conditions. The reaction of primary-secondary diols with 2 led to the corresponding primary alkyl monopivalates. For diols containing alcoholic and phenolic hydroxyl groups, alcoholic hydroxyl groups were selectively acylated under neutral conditions, whereas, the opposite selectivity was observed under basic conditions, similar to the cases using acyl halides or acid anhydrides. Although 1 and 3 were unreactive to alcohols, 5-10 having substituent groups at C-4 were reactive to alcohols to give the corresponding acetates or benzoates.

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