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134724-09-7

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134724-09-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134724-09-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,7,2 and 4 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 134724-09:
(8*1)+(7*3)+(6*4)+(5*7)+(4*2)+(3*4)+(2*0)+(1*9)=117
117 % 10 = 7
So 134724-09-7 is a valid CAS Registry Number.

134724-09-7Downstream Products

134724-09-7Relevant articles and documents

Heterocyclic Betaines. 13. Synthesis and Electronic and Molecular Structures of Methylenepyridinium and Methyleneimidazolium Azolate Inner Salts

Alcalde, Ermitas,Perez-Garcia, Lluisa,Miravitlles, Carlos,Rius, Jordi,Valenti, Eduard

, p. 4829 - 4834 (1992)

A convenient synthesis of several examples of betaines 3 and 4 is reported.The electronic and molecular structure of the title betaines 3 and 4 is investigated in terms of a single-crystal diffraction X-ray analysis of compound 7, spectroscopic methods, and experimental dipole moment values (12.34-15.34 D).Semiempirical molecular orbital calculations (MNDO and AM1 methods) provide a useful complementary information to the experimental results.

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