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164008-15-5

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164008-15-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 164008-15-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,4,0,0 and 8 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 164008-15:
(8*1)+(7*6)+(6*4)+(5*0)+(4*0)+(3*8)+(2*1)+(1*5)=105
105 % 10 = 5
So 164008-15-5 is a valid CAS Registry Number.

164008-15-5Upstream product

164008-15-5Relevant articles and documents

THIONO AND DITHIOCARBOXYLIC ESTERS WITH ADDITIONAL FUNCTIONAL GROUPS

Voss, Juergen

, p. 129 - 154 (2007/10/02)

Since powerful nucleophiles and reductants or electrophiles are required for the synthesis of thiono and dithio esters, severe difficulties arise if certain other functional groups are present in the precursor.Furthermore, strong interference may occur between a reactive substituent and the thio ester group once they are both present in a molecule. - It is, therefore, necessary - and possible - to choose thoroughly a selective method, if thiono or dithio esters with halogeno, nitro, or oxo substituents as well as bis-thiono and bis-dithio esters are to be prepared.

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