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383422-21-7

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383422-21-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 383422-21-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,3,4,2 and 2 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 383422-21:
(8*3)+(7*8)+(6*3)+(5*4)+(4*2)+(3*2)+(2*2)+(1*1)=137
137 % 10 = 7
So 383422-21-7 is a valid CAS Registry Number.

383422-21-7Relevant articles and documents

The 2-(allyloxy) phenyl acetyl ester as a new relay protecting group for oligosaccharide synthesis

Arranz, Esther,Boons, Geert-Jan

, p. 6469 - 6471 (2001)

The 2-(allyloxy) phenyl acetyl group can be removed by a relay approach using Pd(PPh3)4 in combination with proton sponge, conditions that do not affect acetyl, benzoyl and levulinoyl esters. On the other hand, the acetyl and levulin

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