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2,4-Diacetyl-7-(2-t-butoxycarbonylethyl)-6-(2-carboxyethyl)-1,3,5,8-tetramethylporphyrin is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

137053-75-9

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137053-75-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137053-75-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,0,5 and 3 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 137053-75:
(8*1)+(7*3)+(6*7)+(5*0)+(4*5)+(3*3)+(2*7)+(1*5)=119
119 % 10 = 9
So 137053-75-9 is a valid CAS Registry Number.

137053-75-9Upstream product

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