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214421-33-7

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214421-33-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 214421-33-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,4,4,2 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 214421-33:
(8*2)+(7*1)+(6*4)+(5*4)+(4*2)+(3*1)+(2*3)+(1*3)=87
87 % 10 = 7
So 214421-33-7 is a valid CAS Registry Number.

214421-33-7Downstream Products

214421-33-7Relevant articles and documents

Tetrathiafulvalene Thiolates: Important Synthetic Building Blocks for Macrocyclic and Supramolecular Chemistry

Simonsen, Klaus B?k,Becher, Jan

, p. 1211 - 1220 (1997)

The preparation of rather complex molecular assemblies can now be accomplished by using a complete set of tetrathiafulvalene (TTF) based building blocks. The facile deprotection of the 2-cyanoethyl group, a versatile protecting group for 1,3-dithiolium-2-

Synthesis of macrobicyclic tetrathiafulvalenophanes with three TTF bridges

Blanchard, Philippe,Svenstrup, Niels,Becher

, p. 615 - 616 (2007/10/03)

Using a stepwise selective protection-deprotection of tetrathiafulvalene (TTF)-thiolates under high dilution conditions, the first three-dimensional macrobicyclic tetrathiafulvalenophanes are readily prepared.

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