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111981-95-4

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111981-95-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 111981-95-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,9,8 and 1 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 111981-95:
(8*1)+(7*1)+(6*1)+(5*9)+(4*8)+(3*1)+(2*9)+(1*5)=124
124 % 10 = 4
So 111981-95-4 is a valid CAS Registry Number.

111981-95-4Downstream Products

111981-95-4Relevant articles and documents

ANALOGS OF PYRIMIDINE NUCLEOSIDES. 20. AMINOMETHYLATION OF 5-FLUOROURACIL AND THYMINE

Zhuk, R. A.,Ludzisha, A. S.,Kostyanovskii, R. G.

, p. 74 - 77 (2007/10/02)

Reactions were studied of 5-fluorouracil and thymine with formaldehyde and secondary amines (piperidine, morpholine) and also of their 2,4-bis(trimethylsilyl) derivatives with N-methoxymethylmorpholine and bis(amino)methanes.The N-aminomethylation products are slightly stable and in aqueous solutions decompose readily to the starting components; their structure was confirmed by PMR spectra.

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