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(7E,9E,15E)-17-hydroxy-7,9,15-heptadecatrien-11,13-diyn-4-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

20311-75-5

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20311-75-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20311-75-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,3,1 and 1 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 20311-75:
(7*2)+(6*0)+(5*3)+(4*1)+(3*1)+(2*7)+(1*5)=55
55 % 10 = 5
So 20311-75-5 is a valid CAS Registry Number.

20311-75-5Upstream product

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