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138754-66-2

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138754-66-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138754-66-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,7,5 and 4 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 138754-66:
(8*1)+(7*3)+(6*8)+(5*7)+(4*5)+(3*4)+(2*6)+(1*6)=162
162 % 10 = 2
So 138754-66-2 is a valid CAS Registry Number.

138754-66-2Upstream product

138754-66-2Downstream Products

138754-66-2Relevant articles and documents

Structures of puwainaphycins A-E

Gregson, John M.,Chen, Jian-Lu,Patterson, Gregory M. L.,Moore, Richard E.

, p. 3727 - 3734 (1992)

Puwainaphycins A-E, one of which (C) is a potent cardioactive agent in isolated mouse atria, are cyclic decapeptides that have beeen isolated from a terrestrial blue-green alga Annabaena sp. BQ-16-1. The structures of puwainaphycins A-E, including most of the stereochemical features, have been elucidated by a combination of spectral and chemical methods.

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