Cas 67917-90-2,5-(2-oxo-2-<i>p</i>-tolyl-ethylidene)-imidazolidine-2,4-dione

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Check Digit Verification of cas no

The CAS Registry Mumber 67917-90-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,9,1 and 7 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 67917-90:
(7*6)+(6*7)+(5*9)+(4*1)+(3*7)+(2*9)+(1*0)=172
172 % 10 = 2
So 67917-90-2 is a valid CAS Registry Number.

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67917-90-2Relevant academic research and scientific papers

FIVE-MEMBERED 2,3-DIOXOHETEROCYCLES. 10. REACTION OF 5-ARYL-2,3-DIHYDROFURAN-2,3-DIONES WITH N-SUBSTITUTED UREAS AND THEIR THIO AND SELENO ANALOGS

Andreichikov, Yu. S.,Nekrasov, D. D.,Rudenko, M. A.,Nalimova, Yu. A.

, p. 1172 - 1174 (2007/10/02)

3-Aryl-5-phenacylideneimidazolidine-2,4-diones, 3-aryl-5-phenacylidene-4-oxoimidazolidine-2-thiones, and 5-phenacylidene-4-oxoimidazolidine-2-selenones were obtained from 5-aryl-2,3-dihydrofuran-2,3-diones and arylureas, arylthioureas, and selenoureas res

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