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23953-88-0

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23953-88-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23953-88-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,9,5 and 3 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 23953-88:
(7*2)+(6*3)+(5*9)+(4*5)+(3*3)+(2*8)+(1*8)=130
130 % 10 = 0
So 23953-88-0 is a valid CAS Registry Number.

23953-88-0Downstream Products

23953-88-0Relevant articles and documents

Concerning the Synthesis and the Dimroth Rearrangement of 4-(Dialkylamino)-2H-1,3,5-oxadiazine-2-thiones

Spitzner, Roland,Andersch, Joerg,Schroth, Werner

, p. 931 - 934 (2007/10/02)

The title compounds 3 are readily obtained by reaction of N,N-dialkylchloroformamidines 2 with potassium thiocyanate.The amidines 2 can be prepared profitably from isocyanide dichlorides 1 with the aid of N-(trimethylsilyl)dialkylamines.The thiones 3 behave very sensitively towards acids and are rearranged completely to 4-(dialkylamino)-2H-1,3,5-thiadiazin-2-ones 4 by treatment with acetic acid.

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