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(12Z,16E)-(6R,7S,8S,15S)-15-tert-Butoxycarbonylamino-4,4,6,8,12,16-hexamethyl-17-(2-methyl-thiazol-4-yl)-3,5-dioxo-7-(2,2,2-trichloro-ethoxycarbonyloxy)-heptadeca-12,16-dienoic acid tert-butyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

277749-41-4

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277749-41-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 277749-41-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,7,7,4 and 9 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 277749-41:
(8*2)+(7*7)+(6*7)+(5*7)+(4*4)+(3*9)+(2*4)+(1*1)=194
194 % 10 = 4
So 277749-41-4 is a valid CAS Registry Number.

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