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The chemical "2,2,4,7,7,9-hexamethyl-5-(phenyl-trimethylsilanyloxy-methyl)-1,6-dioxa-4,9-diaza-5λ5-phospha-spiro[4.4]nonane" is a complex organic compound with a unique structure. It features a spiro[4.4]nonane ring system, which is a nine-membered ring with a phosphorus atom at the center, forming a phospha-spiro structure. The molecule is characterized by its hexamethyl groups, which are attached to the carbon atoms at positions 2, 4, 7, and 9. Additionally, it has a phenyl-trimethylsilanyloxy-methyl group attached to the 5th position, which contributes to its reactivity and stability. 2,2,4,7,7,9-hexamethyl-5-(phenyl-trimethylsilanyloxy-methyl)-1,6-dioxa-4,9-diaza-5λ5-phospha-spiro[4.4]nonane is significant in the field of organophosphorus chemistry, potentially useful in the synthesis of various pharmaceuticals and materials due to its unique electronic and steric properties.

61890-51-5

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61890-51-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 61890-51-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,8,9 and 0 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 61890-51:
(7*6)+(6*1)+(5*8)+(4*9)+(3*0)+(2*5)+(1*1)=135
135 % 10 = 5
So 61890-51-5 is a valid CAS Registry Number.

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