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P-(4-chloro-phenyl)-O5'-(4-methoxy-trityl)-thymidylyl-(3'->5')-P-(4-chloro-phenyl)-thymidylyl-(3'->5')-[3']thymidylic acid 4-chloro-phenyl ester 2-cyano-ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

57777-80-7

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57777-80-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57777-80-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,7,7 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 57777-80:
(7*5)+(6*7)+(5*7)+(4*7)+(3*7)+(2*8)+(1*0)=177
177 % 10 = 7
So 57777-80-7 is a valid CAS Registry Number.

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