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76991-94-1

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76991-94-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 76991-94-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,9,9 and 1 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 76991-94:
(7*7)+(6*6)+(5*9)+(4*9)+(3*1)+(2*9)+(1*4)=191
191 % 10 = 1
So 76991-94-1 is a valid CAS Registry Number.

76991-94-1Downstream Products

76991-94-1Relevant articles and documents

REACTION BETWEEN 1-ARENESULPHONYL-3-NITRO-1,2,4-TRIAZOLES AND NUCLEOSIDE BASE RESIDUES. ELUCIDATION OF THE NATURE OF SIDE-REACTIONS DURING OLIGONUCLEOTIDE SYNTHESIS.

Reese, Colin B.,Ubasawa, Aiko

, p. 2265 - 2268 (2007/10/02)

The protected guanosine and uridine derivatives (3a, 3b, and 4) react with 1-(mesitylene-2-sulphonyl)-3-nitro-1,2,4-triazole (MSNT, 2a) to give 5a, 5b and 7, respectively; 9 is converted into 10 in the same way.The reactions proceed more rapidly in the presence of diphenyl phosphate.

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