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116028-17-2

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116028-17-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 116028-17-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,0,2 and 8 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 116028-17:
(8*1)+(7*1)+(6*6)+(5*0)+(4*2)+(3*8)+(2*1)+(1*7)=92
92 % 10 = 2
So 116028-17-2 is a valid CAS Registry Number.

116028-17-2Relevant articles and documents

Synthesis of β-formylsteroidal enamides and their conversion into geminal dichlorides

Boruah, Romesh C.,Ahmed, Shahadat,Sharma, Utpal,Sandhu, Jagir S.

, p. 274 - 282 (2007/10/03)

A novel class of β-formylsteroidal enamides has been prepare a from 16- dehydropregnenolone-20-oxime. Reaction of these enamides with Vilsmeier reagent affords steroidal geminal dichlorides in good yields. Reaction of the corresponding C-16 formylidenemalononitriie derivative with chloromethyleneiminium salt, however, leads to a ring-D fused pyndosteroid.

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