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219295-97-3

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219295-97-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 219295-97-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,2,9 and 5 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 219295-97:
(8*2)+(7*1)+(6*9)+(5*2)+(4*9)+(3*5)+(2*9)+(1*7)=163
163 % 10 = 3
So 219295-97-3 is a valid CAS Registry Number.

219295-97-3Downstream Products

219295-97-3Relevant articles and documents

Access to 2,4-Dien-6-ynoic Acid Esters Using Selenium Chemistry. Formal Synthesis of Z,Z-Dodeca-3,6-dien-1-ol Trail Pheromone Mimic of the Subterranian Termite

Vasil'ev, Andrei A.,Engman, Lars,Serebryakov, Edward P.

, p. 706 - 707 (2007/10/03)

Esters of 2,4-dien-6-ynoic acids were prepared from terminal acetylenes by lithiation, 1,2-addition to acrolein, orthoester Claisen-Johnson rearrangement and α-(4-methoxyphenyl)selenation/oxidative elimination to introduce the α,β-unsaturation.

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