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1252572-53-4

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1252572-53-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1252572-53-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,2,5,7 and 2 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1252572-53:
(9*1)+(8*2)+(7*5)+(6*2)+(5*5)+(4*7)+(3*2)+(2*5)+(1*3)=144
144 % 10 = 4
So 1252572-53-4 is a valid CAS Registry Number.

1252572-53-4Relevant articles and documents

2-IMINOPYRROLIDINE DERIVATES

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Page 144, (2008/06/13)

A 2-iminopyrrolidine derivative represented by the formula: {wherein ring B represents a benzene ring, pyridine ring, etc.; R101 - R103 represent hydrogen, halogen, C1-6 alkyl, etc.; R5 represents hydrogen, C1-6 alkyl, C1-6 alkoxy-C1-6 alkyl, etc.; R6 represents hydrogen, C1-6 alkyl, C1-6 alkyloxycarbonyl, etc.; Y1 represents a single bond, -CH2-, etc.; Y2 represents a single bond, -CO-, etc.; and Ar represents hydrogen, a group represented by the formula: [wherein R10-R14 represent hydrogen, C1-6 alkyl, hydroxyl, C1-6 alkoxy, etc.; and R11 and R12 or R12 and R13 may bond together to form a 5- to 8-membered heterocyclic ring], etc.}, or a salt thereof.

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