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78272-44-3

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78272-44-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78272-44-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,2,7 and 2 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 78272-44:
(7*7)+(6*8)+(5*2)+(4*7)+(3*2)+(2*4)+(1*4)=153
153 % 10 = 3
So 78272-44-3 is a valid CAS Registry Number.

78272-44-3Downstream Products

78272-44-3Relevant articles and documents

NOUVELLE SYNTHESE SIMPLE DE NUCLEOSIDE PHOSPHOROTHIOLATE

Asseline, U.,Thuong, N. T.

, p. 847 - 850 (1981)

The O,S-dimethylphosphorochloridate 10 reacts with 5'-O-monomethoxytritylthymidine 11 in pyridine giving nucleoside-3'-thiolophosphodiester 13 in high yields ; in acetonitrile and in the presence of 1-methylimidazole, this reaction leads to the nucleoside-3'-phosphotriester 14 without formation of diester 13.From the latter, the Tp and TpT have been prepared.

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