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(R)-4-Acetoxy-4-((2R,3S,4R)-3,4-diacetoxy-pyrrolidin-2-yl)-butyric acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

91897-33-5

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91897-33-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91897-33-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,8,9 and 7 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 91897-33:
(7*9)+(6*1)+(5*8)+(4*9)+(3*7)+(2*3)+(1*3)=175
175 % 10 = 5
So 91897-33-5 is a valid CAS Registry Number.

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