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92197-74-5

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92197-74-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 92197-74-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,2,1,9 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 92197-74:
(7*9)+(6*2)+(5*1)+(4*9)+(3*7)+(2*7)+(1*4)=155
155 % 10 = 5
So 92197-74-5 is a valid CAS Registry Number.

92197-74-5Relevant articles and documents

Demethylation of Crown Ethers, Aza Crown Ethers, and Cryptands Which Have Inward-Facing Anisole Units by Lithium Aluminum Hydride in Tetrahydrofuran

Czech, Anna,Czech, Bronislaw P.,Desai, Dhimant H.,Hallman, Johnny L.,Phillips, John B.,Bartsch, Richard A.

, p. 1355 - 1358 (2007/10/02)

Lithium aluminum hydride in tetrahydrofuran is an efficient demethylating reagent combination for mono- and bicyclic polyether compounds which bear intra-annular methoxyaryl groups.

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