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135871-33-9

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135871-33-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 135871-33-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,8,7 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 135871-33:
(8*1)+(7*3)+(6*5)+(5*8)+(4*7)+(3*1)+(2*3)+(1*3)=139
139 % 10 = 9
So 135871-33-9 is a valid CAS Registry Number.

135871-33-9Downstream Products

135871-33-9Relevant academic research and scientific papers

A WITTIG APPROACH TO NOVEL C24 AND C25-SUBSTITUTED AVERMECTINS

Shih, Thomas L.,Mrozik, Helmut,Holmes, Mark A.,Fisher, Michael H.

, p. 3529 - 3532 (1990)

The Wittig condensation of aldehydes 2A and 2B with the appropriate phosphonium ylids under Bestmann's "salt-fee" conditions gave the Z-olefin precursors 3A and 3B respectively.Treatment of 3A and 3B with methanolic pyridinium tosylate effected desilylati

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