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1691-88-9

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1691-88-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1691-88-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,9 and 1 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1691-88:
(6*1)+(5*6)+(4*9)+(3*1)+(2*8)+(1*8)=99
99 % 10 = 9
So 1691-88-9 is a valid CAS Registry Number.

1691-88-9Upstream product

1691-88-9Relevant articles and documents

Photochemistry of metalloporphyrin carbene complexes

Ziegler, Christopher J.,Suslick, Kenneth S.

, p. 5306 - 5307 (2007/10/03)

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