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2434-69-7

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2434-69-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2434-69-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,4,3 and 4 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 2434-69:
(6*2)+(5*4)+(4*3)+(3*4)+(2*6)+(1*9)=77
77 % 10 = 7
So 2434-69-7 is a valid CAS Registry Number.

2434-69-7Upstream product

2434-69-7Downstream Products

2434-69-7Relevant articles and documents

Synthesis of 3-substituted tetrahydrofuran and 4-substituted tetrahydropyran derivatives by cyclization of dicarboxylic acids with InBr 3/TMDS

Pehlivan, Leyla,Metay, Estelle,Delbrayelle, Dominique,Mignani, Gerard,Lemaire, Marc

, p. 4689 - 4693 (2012)

An efficient reduction followed by cyclization of diacid compounds with the InBr3/TMDS system is reported. This system allows the formation of five- and six-membered ring ethers substituted in the 3- or 4-position. Copyright

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