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101053-26-3

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101053-26-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 101053-26-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,1,0,5 and 3 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 101053-26:
(8*1)+(7*0)+(6*1)+(5*0)+(4*5)+(3*3)+(2*2)+(1*6)=53
53 % 10 = 3
So 101053-26-3 is a valid CAS Registry Number.

101053-26-3Downstream Products

101053-26-3Relevant articles and documents

Total Synthesis of Optically Active 17β-t-Butoxy-3-methoxy-7α- or -7β-18-dimethyl-1,3,5(10)-estratriene

Cai, Zu-Yun,Ni, Yuan,Sun, Jen-Kon,Yu, Xin-Di,Wang, Yan-Qiu

, p. 1277 - 1278 (1985)

In the preparation of 7-methyl-19-nor-steroids, a new method for the synthesis of key intermediates (10), which involves alkylation of the CD ring fragment (4) and subsequent hydrogenation, cyclization, and hydrogenation is described.

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