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875877-85-3

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875877-85-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 875877-85-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,5,8,7 and 7 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 875877-85:
(8*8)+(7*7)+(6*5)+(5*8)+(4*7)+(3*7)+(2*8)+(1*5)=253
253 % 10 = 3
So 875877-85-3 is a valid CAS Registry Number.

875877-85-3Relevant articles and documents

Synthesis of β-branched Morita-Baylis-Hillman-type adducts from 1,3-diaryl-2-propynyl trimethylsilyl ethers and aldehydes catalyzed by potassium tert-butoxide

Yoshizawa, Kazuhiro,Shioiri, Takayuki

, p. 757 - 761 (2006)

1,3-Diaryl-2-propynyl trimethylsilyl ethers were easy to isomerize into the corresponding siloxyallenes using a catalytic amount of potassium tert-butoxide under very mild conditions. The siloxyallenes reacted in situ with various aldehydes to afford Z-selective β-branched Morita-Baylis-Hillman-type adducts in a one-pot reaction after acid treatment.

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