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[(2R,3R)-3-((2S,3R,4S,5S,6S)-3,4,5-Tris-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-ylmethyl)-oxiranyl]-methanol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

87256-51-7

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87256-51-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87256-51-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,2,5 and 6 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 87256-51:
(7*8)+(6*7)+(5*2)+(4*5)+(3*6)+(2*5)+(1*1)=157
157 % 10 = 7
So 87256-51-7 is a valid CAS Registry Number.

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