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(+/-)-(7S,8R)-2-tert-butyl-4-hydroxy-7,8-isopropylidenedioxyspiro<4.4>non-2-en-1-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

138680-58-7

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138680-58-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138680-58-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,6,8 and 0 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 138680-58:
(8*1)+(7*3)+(6*8)+(5*6)+(4*8)+(3*0)+(2*5)+(1*8)=157
157 % 10 = 7
So 138680-58-7 is a valid CAS Registry Number.

138680-58-7Upstream product

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