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(3S,4S)-4-([1,3]Dithian-2-ylmethoxy)-3-(trityl-amino)-azetidin-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

72777-64-1

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72777-64-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72777-64-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,7,7 and 7 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 72777-64:
(7*7)+(6*2)+(5*7)+(4*7)+(3*7)+(2*6)+(1*4)=161
161 % 10 = 1
So 72777-64-1 is a valid CAS Registry Number.

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