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156578-34-6

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156578-34-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156578-34-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,5,7 and 8 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 156578-34:
(8*1)+(7*5)+(6*6)+(5*5)+(4*7)+(3*8)+(2*3)+(1*4)=166
166 % 10 = 6
So 156578-34-6 is a valid CAS Registry Number.

156578-34-6Relevant articles and documents

Phenylenbis(silandiyl triflates) - New Synthetic Building Blocks for Variously Structured Organosilicon Polymers

Uhlig, Wolfram

, p. 972 - 980 (2007/10/02)

Ortho-, meta-, and para-substituted phenylenbis(silandiyl triflates) are prepared as new useful building blocks for the synthesis of polymers with a regular alternating arrangement of an organosilicon unit and a ?-electron system (phenylene or ethynylene)

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