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1886-29-9

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1886-29-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1886-29-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,8 and 6 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1886-29:
(6*1)+(5*8)+(4*8)+(3*6)+(2*2)+(1*9)=109
109 % 10 = 9
So 1886-29-9 is a valid CAS Registry Number.

1886-29-9Relevant articles and documents

Thiamine Biosynthesis in Yeast - Evaluation of 4-Hydroxy-5-hydroxymethyl-2-methylpyrimidine as a Precursor

Baxter, Robert L.,Hanley, A. Bryan,Chan, Henry W. S.

, p. 2963 - 2966 (1990)

The putative role of 4-hydroxy-5-hydroxymethyl-2-methylpyrimidine 2 as a late precursor in the biosynthesis of thiamine 1 by Saccharomyces cerevisiae has been examined using the deuteriated derivative 2a.To enable measurement of deuterium incorporation into the pyrimidine ring fragment of 1, a procedure for the degradation of 1 to the aniline derivative 6 using thiaminase I from Bacillus thiaminolyticus has been developed.While 4-amino-2-methyl-5-hydroxymethylpyrimidine 3a was incorporated into thiamine, deuterium from hydroxy-pyrimidine 2a was not incorporated to any significant extent, indicating that amination of compound 2 is not a late step in the biosynthesis of the pyrimidine ring.

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