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109531-32-0

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109531-32-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109531-32-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,5,3 and 1 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 109531-32:
(8*1)+(7*0)+(6*9)+(5*5)+(4*3)+(3*1)+(2*3)+(1*2)=110
110 % 10 = 0
So 109531-32-0 is a valid CAS Registry Number.

109531-32-0Downstream Products

109531-32-0Relevant articles and documents

Reactions of Trialkylsilyl Trifluoromethanesulfonates, VIII. - Synthesis of O-(Trimethylsilyl)ketene O,N-Acetals, 2,5-Bis(trimethylsiloxy)pyrroles, -furans, and -thiophenes

Frick, Ulrich,Simchen, Gerhard

, p. 839 - 846 (2007/10/02)

Ketene O,N-acetals 3, 4, 6, 8 are obtained from N,N-diarylcarboxamides and N-acetylheterocycles 5, 7 by silylation with trimethylsilyl triflate (2) in the presence of triethylamine.Analogous reactions of carboxamides 9 and N-acyllactams 11 yield the keten

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