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77875-89-9

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77875-89-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77875-89-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,8,7 and 5 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 77875-89:
(7*7)+(6*7)+(5*8)+(4*7)+(3*5)+(2*8)+(1*9)=199
199 % 10 = 9
So 77875-89-9 is a valid CAS Registry Number.

77875-89-9Downstream Products

77875-89-9Relevant articles and documents

NUCLEIC ACID RELATED COMPOUNDS. 31. SMOOTH AND EFFICIENT PALLADIUM-COPPER CATALYZED COUPLING OF TERMINAL ALKYNES WITH 5-IODOURACIL NUCLEOSIDES

Robins, Morris J.,Barr, Philip J.

, p. 421 - 424 (1981)

Coupling of terminal alkynes with protected 5-iodouracil nucleosides in the presence of dichlorobis(triphenylphosphine)palladium and copper(I) iodide in triethylamine gives the corresponding 5-(alkyn-1-yl)uracil nucleosides in 72-92percent yields.

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