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Phosphorous acid 2,2,2-trichloro-ethyl ester (2R,3S,4S,5R,6R)-3,4,5-tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yl ester (2R,3R,4S,5S,6S)-3,4,5-tris-benzyloxy-6-methoxy-tetrahydro-pyran-2-ylmethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

91318-27-3

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91318-27-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91318-27-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,3,1 and 8 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 91318-27:
(7*9)+(6*1)+(5*3)+(4*1)+(3*8)+(2*2)+(1*7)=123
123 % 10 = 3
So 91318-27-3 is a valid CAS Registry Number.

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