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161925-56-0

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161925-56-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 161925-56-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,9,2 and 5 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 161925-56:
(8*1)+(7*6)+(6*1)+(5*9)+(4*2)+(3*5)+(2*5)+(1*6)=140
140 % 10 = 0
So 161925-56-0 is a valid CAS Registry Number.

161925-56-0Relevant articles and documents

A synthesis of Jaspamide based on 1,2-metallate rearrangements of α-heteroalkenylmetal derivatives

Ashworth,Broadbelt,Jankowski,Kocienski,Pimm,Bell

, p. 199 - 206 (2007/10/02)

Jaspamide (Jasplakinolide), a marine cyclodepsipeptide, was synthesised from tripeptide fragment 4 and (2S,4E,6R,8S)-8-benzoyloxy-2,4,6-trimethylnon-4-enoic acid (3). The tripeptide fragment was prepared from β-tyrosine derivative 6, Boc-2-bromoabrine (8)

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