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7-azido-2,4-di-tert-butyl-8,9-thiazabicyclo<4.3.0>nona-2,4,6,9-tetraene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

127204-57-3

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127204-57-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127204-57-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,2,0 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 127204-57:
(8*1)+(7*2)+(6*7)+(5*2)+(4*0)+(3*4)+(2*5)+(1*7)=103
103 % 10 = 3
So 127204-57-3 is a valid CAS Registry Number.

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