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128677-86-1

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128677-86-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128677-86-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,6,7 and 7 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 128677-86:
(8*1)+(7*2)+(6*8)+(5*6)+(4*7)+(3*7)+(2*8)+(1*6)=171
171 % 10 = 1
So 128677-86-1 is a valid CAS Registry Number.

128677-86-1Relevant articles and documents

Asymmetric synthesis of unusual amino acids: An efficient synthesis of optically pure isomers of β-methylphenylalanine

Dharanipragada,VanHulle,Bannister,Bear,Kennedy,Hruby

, p. 4733 - 4748 (2007/10/02)

Substitution of the diastereotopic β-hydrogens of many α-amino acids provides an approach to the three dimensional topographic control of peptide structure. Asymmetric synthesis of the desired amino acids is needed to facilitate these studies. All four in

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