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137976-39-7

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137976-39-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137976-39-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,9,7 and 6 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 137976-39:
(8*1)+(7*3)+(6*7)+(5*9)+(4*7)+(3*6)+(2*3)+(1*9)=177
177 % 10 = 7
So 137976-39-7 is a valid CAS Registry Number.

137976-39-7Upstream product

137976-39-7Relevant articles and documents

Synthesis of p-aminobenzoic acid diamides based on 4-(4-methoxyphenyl)tetrahydro-2H-pyran-4-carboxylic acid and [4-(4-methoxyphenyl)tetrahydro-2H-pyran-4-yl]methylamine

Agekyan,Mkryan

, p. 1057 - 1062 (2015)

Reaction of 4-(4-methoxyphenyl)tetrahydro-2H-pyran-4-carboxyl chloride with anesthesin followed by hydrolysis of the formed ester has afforded 4-[4-(4-methoxyphenyl)tetrahydro-2H-pyran-4-carbonylamino]benzoic acid. The acid chloride has been used for acyl

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