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428500-94-1

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428500-94-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 428500-94-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,8,5,0 and 0 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 428500-94:
(8*4)+(7*2)+(6*8)+(5*5)+(4*0)+(3*0)+(2*9)+(1*4)=141
141 % 10 = 1
So 428500-94-1 is a valid CAS Registry Number.

428500-94-1Downstream Products

428500-94-1Relevant articles and documents

(2-Azidomethyl)phenylacetyl as a new, reductively cleavable protecting group for hydroxyl groups in carbohydrate synthesis

Xu, Jinghua,Guo, Zhongwu

, p. 87 - 91 (2007/10/03)

The (2-azidomethyl)phenylacetyl group (AMPA) is described as a new protecting group for carbohydrates. AMPA was introduced to carbohydrate hydroxyl groups in the presence of DCC, while its removal was conveniently achieved via Lindlar catalyst-catalyzed hydrogenation that had no influence on other protecting groups including benzyl, acyl, acetal and ketal.

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