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265975-39-1

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265975-39-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 265975-39-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,5,9,7 and 5 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 265975-39:
(8*2)+(7*6)+(6*5)+(5*9)+(4*7)+(3*5)+(2*3)+(1*9)=191
191 % 10 = 1
So 265975-39-1 is a valid CAS Registry Number.

265975-39-1Downstream Products

265975-39-1Relevant articles and documents

Selective cleavage of tert-butyldimethylsilylethers ortho to a carbonyl group by ultrasound

De Groot, Alex H.,Dommisse, Roger A.,Lemière, Guy L.

, p. 1541 - 1549 (2007/10/03)

A general method for the selective cleavage of tert- butyldimethylsilylethers ortho to a carbonyl group is established by sonication of a 0.1 M solution of the substrate in 1/1 (v/v) CH3OH/CCl4. Other phenolic tert-butyldimethylsilylethers are unaffected. This reaction performed on flavanoids is completed within 3 h and no special workup is required. Other substrates are also investigated and a mechanism is proposed. (C) 2000 Elsevier Science Ltd.

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