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78199-74-3

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78199-74-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78199-74-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,1,9 and 9 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 78199-74:
(7*7)+(6*8)+(5*1)+(4*9)+(3*9)+(2*7)+(1*4)=183
183 % 10 = 3
So 78199-74-3 is a valid CAS Registry Number.

78199-74-3Downstream Products

78199-74-3Relevant articles and documents

Hexamethylphosphoramide-Mediated Conjugate Addition of (Alkylthio)-, (Phenylthio)-, and (Phenylseleno)allyllithium Reagents to 2-Cyclopentenone

Binns, Malcolm R.,Haynes, Richard K.

, p. 3790 - 3795 (2007/10/02)

(Methylthio)- and (tert-butylthio)allyllithium react irreversibly with 2-cyclopentenone by α- and γ-1,2-addition in THF at -78 deg C. (Phenylthio)- and (phenylseleno)allyllithium also react in this way but in addition display a small tendency to undergo α

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