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13553-40-7

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13553-40-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13553-40-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,5,5 and 3 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 13553-40:
(7*1)+(6*3)+(5*5)+(4*5)+(3*3)+(2*4)+(1*0)=87
87 % 10 = 7
So 13553-40-7 is a valid CAS Registry Number.

13553-40-7Relevant articles and documents

Highly Selective Nonenzymatic Chiral Induction into 3-Methylglutaric Acid and cis-4-Cyclohexen-1,2-ylenebis(acetic acid) Utilizing a Functional Five-Membered Heterocycle 4(R)-MCTT

Nagao, Yoshimitsu,Ikeda, Takao,Inoue, Takehisa,Yagi, Masahiro,Shiro, Motoo,Fujita, Eiichi

, p. 4072 - 4080 (2007/10/02)

Diamide 8, prepared by treatment of 3-methylglutaric acid (1) with 4(R)-MCTT (5) in the presence of DCC in pyridine, was subjected to aminolysis with 1 equiv of piperidine in CH2Cl2 at -30 deg C to give a mixture of diastereomers 9a and 10a in a 88:12 rat

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