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218932-31-1

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218932-31-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 218932-31-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,8,9,3 and 2 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 218932-31:
(8*2)+(7*1)+(6*8)+(5*9)+(4*3)+(3*2)+(2*3)+(1*1)=141
141 % 10 = 1
So 218932-31-1 is a valid CAS Registry Number.

218932-31-1Downstream Products

218932-31-1Relevant articles and documents

Novel cage polycarbosilanes. Preparation and characterization of dodecamethyl-2,3,5,6,7,8-hexasilabicyclo[2.2.2]octane and its derivatives

Shimizu, Masaki,Inamasu, Naoko,Nishihara, Yasushi,Hiyama, Tamejiro

, p. 1145 - 1146 (1998)

2,2,3,3,5,5,6,6,7,7,8,8-Dodecamethyl-2,3,5,6,7,8-hexasilabicyclo[2.2.2] octane (1) was synthesized for the first time via three steps in 56% overall yield through triple silylation with three dichlorodimethyldisilane molecules of two trianionic molecules

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