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121687-50-1

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121687-50-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121687-50-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,6,8 and 7 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 121687-50:
(8*1)+(7*2)+(6*1)+(5*6)+(4*8)+(3*7)+(2*5)+(1*0)=121
121 % 10 = 1
So 121687-50-1 is a valid CAS Registry Number.

121687-50-1Relevant articles and documents

A synthetic route to 3-C-alkyl (or 3-C-phenyl-) 2,3-dideoxy-D-erythro- pentono-1,4-lactones: Intermediates in the synthesis of 2(3H)-furanones

Raveendranath,Blazis,Agyei-Aye,Hebbler,Gentile,Hawkins,Johnson,Baker

, p. 207 - 223 (2007/10/02)

A series of 3-C-alkyl- (and 3-C-phenyl-) 2,3-dideoxy-D-erythro-pentono- 1,4-lactones, compounds which are important in the synthesis of modified nucleosides and antibiotic sugars, were synthesized from D-ribonolactone. By a route that proceeded via 5-O-pr

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