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109873-32-7

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109873-32-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109873-32-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,8,7 and 3 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 109873-32:
(8*1)+(7*0)+(6*9)+(5*8)+(4*7)+(3*3)+(2*3)+(1*2)=147
147 % 10 = 7
So 109873-32-7 is a valid CAS Registry Number.

109873-32-7Relevant articles and documents

SYNTHESIS OF PHENOLS BY THE INTRAMOLECULAR CONDENSATION OF β, β', δ, δ'-TETRAOXOALKANEDIOATES A NOVEL BF3-PROMOTED CLAISEN CONDENSATION OF ACETOACETATE DIANION WITH ESTERS AND AMIDES

Yamaguchi, Masahiko,Shibato, Keisuke,Nakashima, Hisataka,Minami, Toru

, p. 4767 - 4776 (2007/10/02)

The aromatization process of β,β', δ, δ'-tetraoxoalkanedioates, which were synthesized by the BF3-promoted Claisen condensation, was examined.

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