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56570-93-5

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56570-93-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 56570-93-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,5,7 and 0 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 56570-93:
(7*5)+(6*6)+(5*5)+(4*7)+(3*0)+(2*9)+(1*3)=145
145 % 10 = 5
So 56570-93-5 is a valid CAS Registry Number.

56570-93-5Relevant articles and documents

Acetonides of octonolactones

Bell, Andrew A.,Nash, Robert J.,Fleet, George W. J.

, p. 595 - 606 (1996)

Acetonides of the eight carbon sugar lactones, D-erythro-L-talooctono-1,4-lactone and D-erythro-L-galactooctono-1,4-lactone, readily derivated from glucoheptonolactone, are easily accessible intermediates for the synthesis of sugar mimics with six adjuvant stereogenic centres and eight contiguous carbon atoms bearing functional groups.

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