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3305-63-3

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3305-63-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3305-63-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,3,0 and 5 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 3305-63:
(6*3)+(5*3)+(4*0)+(3*5)+(2*6)+(1*3)=63
63 % 10 = 3
So 3305-63-3 is a valid CAS Registry Number.

3305-63-3Relevant articles and documents

Efficient and practical method for synthesizing optically active indan-2-ols by the Ti(O-i-Pr)4/2 i-PrMgCl-mediated metalative Reppe reaction

Hanazawa, Takeshi,Sasaki, Kousuke,Takayama, Yuuki,Sato, Fumie

, p. 4980 - 4983 (2007/10/03)

An efficient and practical synthesis of optically active indan-2-ols 1 has been developed starting from readily accessible optically active 4-siloxy-1,6-alkadiynes 2 and ethynylp-tolyl sulfone, where the metalative Reppe reaction mediated by an economical divalent titanium reagent, Ti-(O-i-Pr)4/2 i-PrMgCl, is a key step.

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