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127092-18-6

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127092-18-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127092-18-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,0,9 and 2 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 127092-18:
(8*1)+(7*2)+(6*7)+(5*0)+(4*9)+(3*2)+(2*1)+(1*8)=116
116 % 10 = 6
So 127092-18-6 is a valid CAS Registry Number.

127092-18-6Relevant articles and documents

Syntheses of Two Tyrosine-Sulphate Containing Peptides, Leucosulfakinin (LSK)-II and Cholecystokinin (CCK)-12, Using the O-p-(Methylsulphinyl)benzyl Serine for the Selective Sulphation of Tyrosine

Futaki, Shiroh,Taike, Takashi,Akita, Tadashi,Kitagawa, Kouki

, p. 8899 - 8914 (2007/10/02)

A novel approach for the synthesis of tyrosine sulphate -containing peptides was developed.In this approach, trifluoroacetic acid stable O-p-(methylsulphinyl)-benzyl group was used as a key protecting group for serine to achieve the selective s

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