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138720-02-2

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138720-02-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138720-02-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,7,2 and 0 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 138720-02:
(8*1)+(7*3)+(6*8)+(5*7)+(4*2)+(3*0)+(2*0)+(1*2)=122
122 % 10 = 2
So 138720-02-2 is a valid CAS Registry Number.

138720-02-2Relevant articles and documents

Preparation of benzocyclobutenone derivatives based on an efficient generation of benzynes (Bicyclo[4.2.0]octa-1,3,5-trien-7-one, 5-(phenylmethoxy)-)

Tsujiyama, Shin-ichiro,Suzuki, Keisuke,Guthrie, David B.,Gibney, Heather M.,Curran, Dennis P.

, p. 272 - 284 (2017/09/23)

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