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107971-36-8

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107971-36-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 107971-36-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,9,7 and 1 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 107971-36:
(8*1)+(7*0)+(6*7)+(5*9)+(4*7)+(3*1)+(2*3)+(1*6)=138
138 % 10 = 8
So 107971-36-8 is a valid CAS Registry Number.

107971-36-8Downstream Products

107971-36-8Relevant articles and documents

Rapid sulfonyloxylactonization of alkenoic acids under microwave and ultrasound irradiation

Gao, Liumian,Li, Li,Zhu, Min

experimental part, p. 953 - 957 (2011/12/15)

Fast and convenient reactions were investigated under microwave and ultrasound irradiation, providing simple methods for sulfonyloxylactonization of alkenoic acids in good yields in a short time. Copyright Taylor & Francis Group, LLC.

TOSYLOXYLACTONIZATION OF ALKENOIC ACIDS WITH BENZENE

Shah, Mayur,Taschner, Michael J.,Koser, Gerald F.,Rach, Nancy L.

, p. 4557 - 4560 (2007/10/02)

benzene(1) reacts with 3-butenoic, 4-pentenoic, 5-hexenoic and 2-methyl-4-pentenoic acids in CH2Cl2 to give tosyloxyacetones and with trans-3-hexenoic and 2-cyclopenteneacetic acids to give unsaturated lactones. 5-Norbornene-endo-2-carboxylic acid with 1 gives a rearranged lactone while 5-norbornene-endo-2,3-dicarboxylic acid gives a bis-lactone.

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