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1134647-21-4

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1134647-21-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1134647-21-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,4,6,4 and 7 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1134647-21:
(9*1)+(8*1)+(7*3)+(6*4)+(5*6)+(4*4)+(3*7)+(2*2)+(1*1)=134
134 % 10 = 4
So 1134647-21-4 is a valid CAS Registry Number.

1134647-21-4Downstream Products

1134647-21-4Relevant articles and documents

A short synthesis of 4-deoxy-4-fluoroglucosaminides: Methylumbelliferyl N-acetyl-4-deoxy-4-fluoro-β-D-glucosaminide

Markina,Voznyi

, p. 475 - 479 (2008)

A convenient method of synthesis of 1,6-anhydro-4-deoxy-2-O-tosyl-4-fluoro- β-D-glucopyranose by fusion of 1,6;3,4-dianhydro-2-O-tosyl-β-D- galactopyranose with 2,4,6-trimethylpyridinium fluoride was found. By a successive action of ammonia, methyl trifluoroacetate, and acetic anhydride, the resulting compound was transformed into 1,6-anhydro-3-O-acetyl-2,4-dideoxy-2- trifluoroacetamido-4-fluoro-β-D-glucopyranose, which was converted into 3,6-di-O-acetyl-2,4-dideoxy-2-trifluoroacetamido-4-fluoro-αD- glucopyranosyl fluoride by the reaction with HF/Py. The resulting fluoride was further used as a glycosyl donor in the synthesis of methylumbelliferyl N-acetyl-4-deoxy-4-fluoro-β-D-glucosaminide.

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