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1599-21-9

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1599-21-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1599-21-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,5,9 and 9 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1599-21:
(6*1)+(5*5)+(4*9)+(3*9)+(2*2)+(1*1)=99
99 % 10 = 9
So 1599-21-9 is a valid CAS Registry Number.

1599-21-9Downstream Products

1599-21-9Relevant articles and documents

Reactions of 3-Chloro-2H-thiete 1,1-Dioxide

Sedergran, Thomas C.,Yokoyama, Masataka,Dittmer, Donald C.

, p. 2408 - 2412 (2007/10/02)

3-Chloro-2H-thiete 1,1-dioxide, prepared by dichlorination of thietane 1,1-dioxide followed by dehydrochlorination, reacts with carbanions, amines, alcohols, and thiols to give 3-substituted thietane or 2H-thiete 1,1-dioxides.For example, reaction with the anion of dimethyl or diethyl malonate gives 3-thietane 1,1-dioxide. 3-Chloro-2H-thiete 1,1-dioxide also undergoes Diels-Ader reactions with butadiene and 1,3-diphenylisobenzofuran. 2,3-Dibromothietane 1,1-dioxide, 2,3-dibromo-3-chlorothietane 1,1-dioxide, 2-bromo-2H-thiete 1,1-dioxide, and 2-bromo-3-chloro-2H-thiete 1,1-dioxide also have been prepared.

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