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136319-38-5

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136319-38-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 136319-38-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,3,1 and 9 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 136319-38:
(8*1)+(7*3)+(6*6)+(5*3)+(4*1)+(3*9)+(2*3)+(1*8)=125
125 % 10 = 5
So 136319-38-5 is a valid CAS Registry Number.

136319-38-5Downstream Products

136319-38-5Relevant articles and documents

STERICALLY SCREENED HALOGENOCYCLOBUTANONES. V. CYCLOPROPYL-SUBSTITUTED OLEFINS IN REACTION WITH DICHLOROKETENE

Bessmertnykh, A. G.,Bubnov, Yu. N.,Voevodskaya, T. I.,Donskaya, N. A.,Zykov, A. Yu.

, p. 2027 - 2033 (2007/10/02)

Trisubstituted olefins containing various numbers of cyclopropyl substituents were synthesized.They react with dichloroketene regio- and stereospecifically, giving high yields of dichlorocyclobutanones.The introduction of electron-withdrawing chlorine atoms into one of the three-carbon rings leads to only a small decrease in the reactivity of the double bond in this reaction.

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