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(2R,5R)-3,4-Bis-eth-(Z)-ylidene-1,2,5-triphenyl-pyrrolidine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128765-72-0

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128765-72-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128765-72-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,7,6 and 5 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 128765-72:
(8*1)+(7*2)+(6*8)+(5*7)+(4*6)+(3*5)+(2*7)+(1*2)=160
160 % 10 = 0
So 128765-72-0 is a valid CAS Registry Number.

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