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148303-20-2

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148303-20-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 148303-20-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,8,3,0 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 148303-20:
(8*1)+(7*4)+(6*8)+(5*3)+(4*0)+(3*3)+(2*2)+(1*0)=112
112 % 10 = 2
So 148303-20-2 is a valid CAS Registry Number.

148303-20-2Downstream Products

148303-20-2Relevant articles and documents

Insecticidal Activity of Sesquilignans with a 3-Aryl-6-methoxy-2-methoxymethyl-1,4-benzodioxanyl Group

Yamauchi, Satoshi,Ishibashi, Fumito,Taniguchi, Eiji

, p. 1760 - 1768 (2007/10/02)

Five analogs of the insecticidal lignan of the Phryma were synthesized by modifying its 3,4-methylenedioxyphenyl group with a phenyl, 4-methoxyphenyl, 3-methoxyphenyl, 3,4-dimethoxyphenyl, or 4-chlorophenyl group to evaluate the contribution of the methylenedioxy function to the activity.The assay results revealed that the 4-oxymethylene part of the 3,4-methylenedioxyphenyl group collaborated more for strengthening the insecticidal activity than the 3-oxymethylene part did.Unexpectedly, the 3,4-dimethoxyphenyl analog was totally inactive, even at a high dose level.

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