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3-Isopropyl-6-methyl-phthalic acid anhydride, also known as 3-isopropyl-6-methyl-1,2-benzenedicarboxylic anhydride, is an organic compound with the chemical formula C12H10O3. It is a derivative of phthalic anhydride, featuring an isopropyl group at the 3-position and a methyl group at the 6-position. This white crystalline solid is used as an intermediate in the synthesis of various chemicals, including dyes, pharmaceuticals, and other organic compounds. It is typically produced through a series of chemical reactions involving the substitution of hydrogen atoms in the phthalic anhydride molecule with the desired functional groups. Due to its reactivity and versatility, 3-isopropyl-6-methyl-phthalic acid anhydride plays a significant role in the chemical industry, contributing to the production of a wide range of products.

947-56-8

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947-56-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 947-56-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,4 and 7 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 947-56:
(5*9)+(4*4)+(3*7)+(2*5)+(1*6)=98
98 % 10 = 8
So 947-56-8 is a valid CAS Registry Number.
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