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22349-31-1

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22349-31-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22349-31-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,3,4 and 9 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 22349-31:
(7*2)+(6*2)+(5*3)+(4*4)+(3*9)+(2*3)+(1*1)=91
91 % 10 = 1
So 22349-31-1 is a valid CAS Registry Number.

22349-31-1Upstream product

22349-31-1Relevant articles and documents

N-TRIMETHYLSILYL DERIVATIVES OF THIOLACTAMS IN THE SILYL VERSION OF N-AMIDO- AND N-SULFONAMIDOALKYLATION

Sergeev, V. N.,Artamkin, S. A.,Baukov, Yu. I.

, p. 1598 - 1601 (2007/10/02)

N-Trimethylsilylthiolactams react with N-chloromethyllactams and -sulfonamides to give the corresponding N-amido- and N-sulfonylamidomethyl derivatives of thiolactams in fairly high yields. By contrast, products of addition of N-trimethylsilylthiolactams to aldehydes do not react as amidoalkylating agents with N-trimethylsilyllactams.

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