Cas 74685-03-3,C<sub>24</sub>H<sub>24</sub>O

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Check Digit Verification of cas no

The CAS Registry Mumber 74685-03-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,6,8 and 5 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 74685-03:
(7*7)+(6*4)+(5*6)+(4*8)+(3*5)+(2*0)+(1*3)=153
153 % 10 = 3
So 74685-03-3 is a valid CAS Registry Number.

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74685-03-3Relevant academic research and scientific papers

A Direct Synthesis of Z-Trisubstituted Allylic Alcohols via the Wittig Reaction

Sreekumar, C.,Darst, Kevin P.,Still, W. Clark

, p. 4260 - 4262 (1980)

The lithium-free modification of the Wittig reaction of unstabilized ylides and acyclic α-alkoxy ketones leads to protected trisubstituted allylic alcohols with high stereoselectivity for the Z isomer.

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