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109888-80-4

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109888-80-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109888-80-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,8,8 and 8 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 109888-80:
(8*1)+(7*0)+(6*9)+(5*8)+(4*8)+(3*8)+(2*8)+(1*0)=174
174 % 10 = 4
So 109888-80-4 is a valid CAS Registry Number.

109888-80-4Downstream Products

109888-80-4Relevant articles and documents

SYNTHESIS OF MACROHETEROCYCLES - ANALOGS OF DIBENZO-CROWN COMPOUNDS. 2. 18-MEMBERED DIOXADIAZA-CROWN COMPOUNDS

Formanovskii, A. A.,Mikhura, I. V.,Sokolovskii, S. A.,Murakhovskaya, A. S.,Terent'ev, P. B.,Sharbatyan, P. A.

, p. 930 - 936 (2007/10/02)

Macrocyclic diamides were synthesized by condensation of bridged 1,7-bis(2-aminophenyl)-1,7-dioxaheptanes that contain an additional donor oxygen or nitrogen atom in the bridge with glutaric, diglycolic, and N-tosyliminodiacetic acid dichlorides under hig

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