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ethyl (E)-(4aR*,10R*,10aR*)-10-hydroxy-7-methoxy-3,4,4a,9,10,10a-hexahydrophenanthren-2(1H)-ylideneacetate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

138458-37-4

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138458-37-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138458-37-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,4,5 and 8 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 138458-37:
(8*1)+(7*3)+(6*8)+(5*4)+(4*5)+(3*8)+(2*3)+(1*7)=154
154 % 10 = 4
So 138458-37-4 is a valid CAS Registry Number.

138458-37-4Upstream product

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