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90403-76-2

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90403-76-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90403-76-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,4,0 and 3 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 90403-76:
(7*9)+(6*0)+(5*4)+(4*0)+(3*3)+(2*7)+(1*6)=112
112 % 10 = 2
So 90403-76-2 is a valid CAS Registry Number.

90403-76-2Relevant articles and documents

SYNTHESIS OF 4-ETHOXYCARBONYLMETHYL-, 4-N-PHENYLCARBAMOYLMETHYL-, AND 4-CARBOXYMETHYL-1,3-DITHIOLE-2-THIONES AND THE CORRESPONDING 1,3-DITHIOLIUM SALTS

Neiland, O. Ya.,Bite, D. V.,Kampare, R. B.

, p. 144 - 147 (1984)

A method for the preparation of 4-ethoxycarbonylmethyl-, 4-N-phenylcarbamoylmethyl-, and 4-carboxymethyl-1,3-dithiole-2-thiones and the corresponding 1,3-dithiolium salts from γ-bromoacetoacetic ester, γ-bromoacetoacetanilide, and sodium tert-butyltrithiocarbonate was developed.The compounds were characterized by their IR and PMR spectra.

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