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141622-63-1

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141622-63-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 141622-63-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,6,2 and 2 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 141622-63:
(8*1)+(7*4)+(6*1)+(5*6)+(4*2)+(3*2)+(2*6)+(1*3)=101
101 % 10 = 1
So 141622-63-1 is a valid CAS Registry Number.

141622-63-1Downstream Products

141622-63-1Relevant articles and documents

NONCONVENTIONAL FRIEDEL-CRAFTS CHEMISTRY III. ON THE REGIOSPECIFIC SYNTHESIS OF SPIRO-4'-ONE DERIVATIVES

El-Zohry, Maher F.

, p. 311 - 320 (2007/10/02)

The rection of 1-oxa-4-thiaspirononan-2-one (4) and/or 1-oxa-4-thiaspirodecan-2-one (5) with arenes (6) under the catalytic action of aluminum chloride afforded in all cases spiro-4'-ones (7a - g and 8a - g), -acetic acid, (9a - g and 10a - g), cycloalkylthioacetic acids, (11 and 20) aryl cycloalkyl sulfides, (14 and 23) diarylsulfides (15), diaryl disulfides and dicycloalkyl disulfides (13 and 22).The mechanisms of these reactions are discussed.Key words: Spiroisothiochroman-4-ones; Friedel-Crafts reactions.

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