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188601-33-4

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188601-33-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 188601-33-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,6,0 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 188601-33:
(8*1)+(7*8)+(6*8)+(5*6)+(4*0)+(3*1)+(2*3)+(1*3)=154
154 % 10 = 4
So 188601-33-4 is a valid CAS Registry Number.

188601-33-4Relevant articles and documents

Significantly enhanced reactivities of the nucleophilic substitution reactions induced by microwaves in ionic liquid

Guo, Sheng-Rong,Yuan, Yan-Qin

, p. 1479 - 1484 (2006)

The reaction rate of nucleophilic substitution can be dramatically enhanced by microwave irradiation using the ionic liquid [Bmim]BF4 as a solvent. Nucleophilic reagents (anilines, thiophenol) react with ethoxymethylene isopropylidene malonate to give cor

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