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135450-12-3

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135450-12-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 135450-12-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,4,5 and 0 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 135450-12:
(8*1)+(7*3)+(6*5)+(5*4)+(4*5)+(3*0)+(2*1)+(1*2)=103
103 % 10 = 3
So 135450-12-3 is a valid CAS Registry Number.

135450-12-3Relevant articles and documents

Cyclisation of Alkynecarboxylic Acids: Synthesis of 6-exo-Methylene-1,4-dioxan-2-ones

Yamamoto, Makoto,Dewa, Toshikazu,Munakata, Hiroshi,Kohmoto, Shigeo,Yamada, Kazutoshi

, p. 1771 - 1782 (2007/10/02)

A novel 6-methylene-1,4-dioxan-2-one synthesis is described. 2-Propynyloxyacetic acids, which were synthesised from (i) ethyl glycolate and propynyl bromide in the presence of a base or (ii) treatment of a substituted propargyl alcohol and ethyl bromoacet

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