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332-21-8

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332-21-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 332-21-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,3 and 2 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 332-21:
(5*3)+(4*3)+(3*2)+(2*2)+(1*1)=38
38 % 10 = 8
So 332-21-8 is a valid CAS Registry Number.

332-21-8Relevant articles and documents

Toward (Z)-selective Horner-Wadsworth-Emmons reaction of aldehydes with 2-fluoro-2-diethylphosphonoacetic acid

Sano, Shigeki,Teranishi, Rie,Nagao, Yoshimitsu

, p. 9183 - 9186 (2002)

The stereoselective Horner-Wadsworth-Emmons reaction of aldehydes with 2-fluoro-2-diethylphosphonoacetic acid utilizing i-PrMgBr afforded (Z)-α-fluoro-α,β-unsaturated carboxylic acids as the major products.

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