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98774-50-6

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98774-50-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98774-50-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,7,7 and 4 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 98774-50:
(7*9)+(6*8)+(5*7)+(4*7)+(3*4)+(2*5)+(1*0)=196
196 % 10 = 6
So 98774-50-6 is a valid CAS Registry Number.

98774-50-6Downstream Products

98774-50-6Relevant articles and documents

On the Elimination of the 3-Benzylthioenol Ether of Pregn-4-ene-3,20-dione by W-2 Raney Nickel

Gonzalez, Mario D.,Burton, Gerardo

, p. 639 - 644 (2007/10/02)

Reaction of 3-benzylthiopregna-3,5-dien-20-one or of pregna-3,5-dien-20-one with W-2 Raney nickel in acetone afforded a mixture of 20-ketopregnanes with different degrees of insaturation on rings A and B, of which the main component was identified as pregn-2-en-20-one.When deactivated Raney nickel was used, the main product was the expected pregna-3,5-dien-20-one with minor amounts of pregn-4-en-20-one and pregn-5-en-20-one. - Key words: Benzylthioenol Ether, Raney Nickel, 3-Benzylthiopregna-3,5-dien-20-one, Pregna-3,5-dien-20-one, Pregn-2-en-20-one

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