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157555-77-6

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157555-77-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 157555-77-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,5,5 and 5 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 157555-77:
(8*1)+(7*5)+(6*7)+(5*5)+(4*5)+(3*5)+(2*7)+(1*7)=166
166 % 10 = 6
So 157555-77-6 is a valid CAS Registry Number.

157555-77-6Downstream Products

157555-77-6Relevant articles and documents

A DIASTEREOSELECTIVE SYNTHESIS OF (S,S)-α-FLUORO-2,2-DIMETHYL-1,3-DIOXOLANE-4-PROPANOIC ACID METHYL ESTER, A KEY INTERMEDIATE FOR THE PREPARATION OF ANTI-HIV EFFECTIVE FLUORODIDEOXYNUCLEOSIDES

Siddiqui, Maqbool A.,Marquez, Victor E.,Driscoll, John S.,Barchi, Joseph J. Jr.

, p. 3263 - 3266 (1994)

(S,S)-α-fluoro-2,2-dimethyl-1,3-dioxolane-4-propanoic acid methyl ester (10), a key intermediate for the preparation of anti-HIV active 9-(2,3-dideoxy-2-fluoro-β-D-threo-pentafuranosyl)-adenine (1, FddA) and 1-(2,3-dideoxy-2-fluoro-β-D-threo-pentofuranosy

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